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bors bda221a0eb Auto merge of #125740 - RalfJung:transmute-size-check, r=oli-obk 
transmute size check: properly account for alignment

Fixes another place where ZST alignment was ignored when checking whether something is a newtype. I wonder how many more of these there are...

Fixes https://github.com/rust-lang/rust/issues/101084
2024-06-25 07:21:17 +00:00
..
abi Allow "C-unwind" fn to have C variadics 2024-06-22 15:14:14 -07:00
alloc-error
allocator
annotate-snippet
anon-params
argfile
argument-suggestions
array-slice-vec
asm compiler: Fix arm32 asm issues by hierarchically sorting reg classes 2024-06-22 21:39:58 -07:00
associated-consts Use subtyping instead of equality, since method resolution also uses subtyping 2024-06-17 10:57:52 +00:00
associated-inherent-types Rollup merge of #125978 - fmease:cleanup-hir-ty-lowering-consolidate-assoc-item-access-checking, r=davidtwco 2024-06-12 03:57:19 -07:00
associated-item
associated-type-bounds E0229: Suggest Moving Type Constraints to Type Parameter Declaration 2024-06-12 19:32:31 -04:00
associated-types Rollup merge of #126404 - compiler-errors:alias-relate-terms, r=lcnr 2024-06-15 19:51:35 +02:00
async-await Special case when a code line only has multiline span starts 2024-06-23 22:00:52 +00:00
attributes Add hard error and migration lint for unsafe attrs 2024-06-23 19:02:14 -05:00
auto-traits Harmonize use of leaf and root obligation in trait error reporting 2024-06-12 20:57:23 -04:00
autoref-autoderef
auxiliary
backtrace Make more of the test suite run on Mac Catalyst 2024-05-28 12:31:33 +02:00
bench
binding
binop Spell out other trait diagnostic 2024-06-12 12:34:47 +00:00
blind
block-result
borrowck Convert a span_bug to a span_delayed_bug. 2024-06-17 15:21:07 +10:00
box
btreemap
builtin-superkinds
c-variadic compiler: Mention C-unwind in C-variadic error 2024-06-22 23:30:31 -07:00
cast
cfg
check-cfg Fix stderr cases 2024-06-19 11:19:25 +05:30
closure_context
closure-expected-type
closures Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
cmse-nonsecure
codegen Deprecate no-op codegen option -Cinline-threshold=... 2024-06-14 20:25:17 +02:00
codemap_tests Fix remaining cases 2024-06-21 19:00:18 -04:00
coercion Remove windows-specific copy of test 2024-06-17 10:57:52 +00:00
coherence rustc_type_ir: Omit some struct fields from Debug output 2024-06-19 03:08:34 +02:00
coinduction
command
compare-method
compiletest-self-test
conditional-compilation
confuse-field-and-method
const_prop Allow type_of to return partially non-error types if the type was already tainted 2024-05-28 11:55:20 +00:00
const-generics Make effects an incomplete feature 2024-06-22 14:11:11 +00:00
const-ptr
consts Suggest inline const blocks for array initialization 2024-06-24 15:30:24 +03:00
coroutine Rollup merge of #125078 - linyihai:issue-124496, r=compiler-errors 2024-06-19 01:51:38 +01:00
coverage-attr coverage: Bless coverage attribute tests 2024-06-24 20:15:03 +10:00
crate-loading
cross
cross-crate Closures are recursively reachable 2024-06-04 22:50:35 +02:00
custom_test_frameworks
cycle-trait
debuginfo Repair several riscv64gc-unknown-linux-gnu codegen tests 2024-06-05 09:39:14 -07:00
definition-reachable
delegation delegation: Do not crash on qpaths without a trait 2024-06-22 19:57:19 +03:00
dep-graph
deployment-target Make more of the test suite run on Mac Catalyst 2024-05-28 12:31:33 +02:00
deprecation Deprecate no-op codegen option -Cinline-threshold=... 2024-06-14 20:25:17 +02:00
deref-patterns
derived-errors
derives Rollup merge of #125572 - mu001999-contrib:dead/enhance, r=pnkfelix 2024-06-07 20:14:28 +02:00
deriving SmartPointer derive-macro 2024-06-24 03:03:34 +08:00
dest-prop
destructuring-assignment
diagnostic_namespace Walk into alias-eq nested goals even if normalization fails 2024-06-12 19:03:37 -04:00
diagnostic-flags
diagnostic-width
did_you_mean Rollup merge of #126127 - Alexendoo:other-trait-diag, r=pnkfelix 2024-06-16 03:41:57 -04:00
directory_ownership
disallowed-deconstructing
dollar-crate
drop tail expression behind terminating scope 2024-06-18 04:14:43 +08:00
drop-bounds
dropck
dst
duplicate
dyn-drop
dyn-keyword
dyn-star
dynamically-sized-types
editions Point out exactly what obligation will fail 2024-06-13 21:47:43 -04:00
empty
entry-point
enum
enum-discriminant
env-macro
error-codes Fix remaining cases 2024-06-21 19:00:18 -04:00
error-emitter
errors rewrite and rename issue-37893 to rmake 2024-05-29 11:38:47 -04:00
explicit
explicit-tail-calls
expr Use parenthetical notation for Fn traits 2024-05-29 22:26:54 +00:00
extern Use parenthetical notation for Fn traits 2024-05-29 22:26:54 +00:00
extern-flag Rollup merge of #125913 - fmease:early-lints-spruce-up-some-diags, r=Nadrieril 2024-06-11 09:14:34 +01:00
feature-gates SmartPointer derive-macro 2024-06-24 03:03:34 +08:00
ffi-attrs
fmt
fn Auto merge of #125778 - estebank:issue-67100, r=compiler-errors 2024-06-03 08:14:03 +00:00
fn-main
for
for-loop-while
foreign
fuel
fully-qualified-type
function-pointer
functional-struct-update
functions-closures
generic-associated-types Rollup merge of #124884 - bvanjoi:fix-124785, r=estebank 2024-06-14 08:35:48 +02:00
generic-const-items Handle trait/impl GAC mismatches when inferring missing/placeholder types 2024-05-24 00:42:32 +02:00
generics Update Tests 2024-06-05 20:08:00 -04:00
half-open-range-patterns Replace f16 and f128 pattern matching stubs with real implementations 2024-06-23 04:28:42 -05:00
hashmap
hello_world
higher-ranked Add opaque type test 2024-06-20 09:20:45 +00:00
hygiene Tweak output of import suggestions 2024-06-13 20:22:21 +00:00
illegal-sized-bound
impl-header-lifetime-elision And more general error 2024-05-24 11:20:33 -04:00
impl-trait Auto merge of #125610 - oli-obk:define_opaque_types14, r=compiler-errors 2024-06-25 05:09:30 +00:00
implied-bounds
imports Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
include-macros
incoherent-inherent-impls Fix remaining cases 2024-06-21 19:00:18 -04:00
indexing check index value <= 0xFFFF_FF00 2024-06-01 09:40:46 +08:00
inference Const generic parameters aren't bounds, even if we end up erroring because of the bound that binds the parameter's type 2024-06-19 14:58:29 +00:00
infinite
inherent-impls-overlap-check
inline-const Add regression test 2024-06-07 08:33:58 +00:00
instrument-coverage Fix remaining cases 2024-06-21 19:00:18 -04:00
instrument-xray
interior-mutability
internal
internal-lints
intrinsics bless tests 2024-06-21 11:57:24 +00:00
invalid
invalid-compile-flags
invalid-module-declaration
invalid-self-argument
io-checks compiletest: Don't pass --out-dir if the compile flags include -o 2024-06-07 15:55:36 +10:00
issues Rollup merge of #126723 - estebank:dot-dot-dot, r=Nadrieril 2024-06-22 12:57:19 +02:00
iterators Spell out other trait diagnostic 2024-06-12 12:34:47 +00:00
json
keyword
kindck Harmonize use of leaf and root obligation in trait error reporting 2024-06-12 20:57:23 -04:00
label
lang-items
late-bound-lifetimes
layout Auto merge of #125740 - RalfJung:transmute-size-check, r=oli-obk 2024-06-25 07:21:17 +00:00
lazy-type-alias Spell out other trait diagnostic 2024-06-12 12:34:47 +00:00
lazy-type-alias-impl-trait
let-else Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
lexer
lifetimes Fix remaining cases 2024-06-21 19:00:18 -04:00
limits
linkage-attr Allow static mut definitions with #[linkage] 2024-06-03 10:45:16 +00:00
lint Rollup merge of #124460 - long-long-float:show-notice-about-enum-with-debug, r=pnkfelix 2024-06-24 15:51:00 -04:00
liveness
loops Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
lowering
lto
lub-glb
macro_backtrace
macros Allow naming expr_2021 in all editions 2024-06-19 12:37:49 -04:00
malformed Auto merge of #124187 - compiler-errors:self-ctor, r=petrochenkov 2024-05-25 01:17:55 +00:00
manual Make more of the test suite run on Mac Catalyst 2024-05-28 12:31:33 +02:00
marker_trait_attr
match Replace f16 and f128 pattern matching stubs with real implementations 2024-06-23 04:28:42 -05:00
meta
methods Method resolution constrains hidden types instead of rejecting method candidates 2024-06-13 10:41:53 +00:00
mir compiler: Mention C-unwind in C-variadic error 2024-06-22 23:30:31 -07:00
mir-dataflow
mismatched_types Rollup merge of #126455 - surechen:fix_126222, r=estebank 2024-06-24 06:27:13 +02:00
missing
missing_non_modrs_mod
missing-trait-bounds
modules
modules_and_files_visibility
moves Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
mut
namespace Tweak output of import suggestions 2024-06-13 20:22:21 +00:00
native-library-link-flags
never_type Rollup merge of #126127 - Alexendoo:other-trait-diag, r=pnkfelix 2024-06-16 03:41:57 -04:00
nll tail expression behind terminating scope 2024-06-18 04:14:43 +08:00
no_std
non_modrs_mods
non_modrs_mods_and_inline_mods
not-panic
numbers-arithmetic Rollup merge of #126127 - Alexendoo:other-trait-diag, r=pnkfelix 2024-06-16 03:41:57 -04:00
numeric
object-lifetime
object-safety Fix remaining cases 2024-06-21 19:00:18 -04:00
obsolete-in-place
offset-of offset_of: allow (unstably) taking the offset of slice tail fields 2024-06-08 18:17:55 +02:00
on-unimplemented Spell out other trait diagnostic 2024-06-12 12:34:47 +00:00
operator-recovery
or-patterns Add tests 2024-06-16 18:23:48 +02:00
overloaded
packed
panic-handler Rename std::panic::PanicInfo to PanicHookInfo. 2024-06-11 15:47:00 +02:00
panic-runtime Enable a few tests on macOS 2024-05-28 12:31:12 +02:00
panics Remove c_unwind from tests and fix tests 2024-06-19 13:54:55 +01:00
parallel-rustc
parser compiler: Mention C-unwind in C-variadic error 2024-06-22 23:30:31 -07:00
pattern Replace f16 and f128 pattern matching stubs with real implementations 2024-06-23 04:28:42 -05:00
pin-macro
polymorphization Mark all missing generic args as errors 2024-06-03 13:16:56 +00:00
precondition-checks
print_type_sizes
privacy Do not ICE in privacy when type inference fails. 2024-06-17 10:09:27 +00:00
proc-macro Change how parse_expr_force_collect works. 2024-06-19 19:15:06 +10:00
process
process-termination
ptr_ops
pub Rollup merge of #125913 - fmease:early-lints-spruce-up-some-diags, r=Nadrieril 2024-06-11 09:14:34 +01:00
qualified
query-system
range
raw-ref-op
reachable
recursion
recursion_limit
regions Detect pub structs never constructed and unused associated constants in traits 2024-06-05 23:20:09 +08:00
repeat-expr
repr
reserved
resolve collect attrs in const block expr 2024-06-20 19:59:27 +08:00
return tests: update tests for more conservative return ty mismatch note 2024-06-18 21:06:53 +00:00
rfcs Make effects an incomplete feature 2024-06-22 14:11:11 +00:00
rmeta
runtime Disable stack overflow handler tests on iOS-like platforms 2024-05-28 12:31:12 +02:00
rust-2018 Tweak output of import suggestions 2024-06-13 20:22:21 +00:00
rust-2021 Detect unused structs which implement private traits 2024-05-23 09:07:59 +08:00
rust-2024 Add hard error and migration lint for unsafe attrs 2024-06-23 19:02:14 -05:00
rustc-env
rustdoc
sanitizer
self Require any function with a tait in its signature to actually constrain a hidden type 2024-06-12 08:53:59 +00:00
sepcomp
shadowed
shell-argfiles
simd Rollup merge of #125311 - calebzulawski:repr-packed-simd-intrinsics, r=workingjubilee 2024-06-02 05:06:47 -07:00
single-use-lifetime
sized don't ICE when encountering an extern type field during validation 2024-06-22 17:39:01 +02:00
span Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
specialization Const generic parameters aren't bounds, even if we end up erroring because of the bound that binds the parameter's type 2024-06-19 14:58:29 +00:00
stability-attribute Make effects an incomplete feature 2024-06-22 14:11:11 +00:00
stable-mir-print
stack-protector
static check_expr_struct_fields: taint context with errors if struct definition is malformed 2024-06-05 21:54:22 +02:00
statics Add regression test 2024-06-17 10:55:42 +00:00
stats
std
stdlib-unit-tests
str
structs
structs-enums Detect pub structs never constructed and unused associated constants in traits 2024-06-05 23:20:09 +08:00
suggestions Rollup merge of #126723 - estebank:dot-dot-dot, r=Nadrieril 2024-06-22 12:57:19 +02:00
svh
symbol-mangling-version
symbol-names
sync Add manual Sync impl for ReentrantLockGuard 2024-05-24 17:44:37 -07:00
target-feature
test-attrs
thir-print
thread-local
threads-sendsync delete UI tests that only check internal implementation details of thread-locals 2024-05-23 13:44:56 +02:00
tool-attributes Fix remaining cases 2024-06-21 19:00:18 -04:00
track-diagnostics
trait-bounds
traits Rollup merge of #126552 - fee1-dead-contrib:rmfx, r=compiler-errors 2024-06-22 19:33:56 +02:00
transmutability Rollup merge of #126620 - oli-obk:taint_errors, r=fee1-dead 2024-06-20 07:52:43 +02:00
transmute transmute size check: properly account for alignment 2024-05-30 10:06:28 +02:00
treat-err-as-bug
trivial-bounds
try-block
try-trait Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
tuple
type Spell out other trait diagnostic 2024-06-12 12:34:47 +00:00
type-alias
type-alias-enum-variants
type-alias-impl-trait Auto merge of #126679 - fmease:rollup-njrv2py, r=fmease 2024-06-19 11:09:31 +00:00
type-inference
typeck Rollup merge of #126127 - Alexendoo:other-trait-diag, r=pnkfelix 2024-06-16 03:41:57 -04:00
typeof
ufcs bless tests 2024-06-21 11:57:24 +00:00
unboxed-closures Fix ... in multline code-skips in suggestions 2024-06-20 04:25:17 +00:00
underscore-imports
underscore-lifetime
uniform-paths
uninhabited
union
unknown-unstable-lints
unop
unpretty Revert "Create const block DefIds in typeck instead of ast lowering" 2024-06-07 08:33:58 +00:00
unresolved
unsafe Use parenthetical notation for Fn traits 2024-05-29 22:26:54 +00:00
unsized [ACP 362] genericize ptr::from_raw_parts 2024-05-29 09:34:16 -07:00
unsized-locals
unused-crate-deps Spruce up the diagnostics of some early lints 2024-06-03 07:25:32 +02:00
unwind-abis Remove c_unwind from tests and fix tests 2024-06-19 13:54:55 +01:00
use
variance
variants
version
warnings
wasm
wf Taint infcx when reporting errors 2024-06-19 04:41:56 +00:00
where-clauses Taint infcx when reporting errors 2024-06-19 04:41:56 +00:00
while
windows-subsystem Move run-make windows_subsystem tests to ui tests 2024-05-29 13:04:28 +00:00
zero-sized
.gitattributes
alias-uninit-value.rs
allow-non-lint-warnings.rs Make run-make/allow-non-lint-warnings-cmdline into a ui test 2024-06-13 12:55:55 +02:00
anonymous-higher-ranked-lifetime.rs
anonymous-higher-ranked-lifetime.stderr
artificial-block.rs
as-precedence.rs
assign-assign.rs
assign-imm-local-twice.rs
assign-imm-local-twice.stderr
assoc-lang-items.rs
assoc-lang-items.stderr
assoc-oddities-3.rs
associated-path-shl.rs
associated-path-shl.stderr
atomic-from-mut-not-available.rs
atomic-from-mut-not-available.stderr
attempted-access-non-fatal.rs
attempted-access-non-fatal.stderr
attr-bad-crate-attr.rs
attr-bad-crate-attr.stderr
attr-shebang.rs
attr-start.rs
attr-usage-inline.rs
attr-usage-inline.stderr
attrs-resolution-errors.rs
attrs-resolution-errors.stderr
attrs-resolution.rs
augmented-assignments-feature-gate-cross.rs
augmented-assignments-rpass.rs
augmented-assignments.rs
augmented-assignments.stderr
auto-instantiate.rs
auto-ref-slice-plus-ref.rs
auto-ref-slice-plus-ref.stderr
autoderef-full-lval.rs
autoderef-full-lval.stderr
bare-fn-implements-fn-mut.rs
bare-static-string.rs
big-literals.rs
bind-by-move.rs
bitwise.rs
bogus-tag.rs
bogus-tag.stderr
borrow-by-val-method-receiver.rs
bounds-lifetime.rs
bounds-lifetime.stderr
break-diverging-value.rs
break-diverging-value.stderr
builtin-clone-unwind.rs
can-copy-pod.rs
cancel-clean-via-immediate-rvalue-ref.rs
cannot-mutate-captured-non-mut-var.rs
cannot-mutate-captured-non-mut-var.stderr
capture1.rs
capture1.stderr
catch-unwind-bang.rs
cenum_impl_drop_cast.rs
cenum_impl_drop_cast.stderr
cfguard-run.rs
char.rs
class-cast-to-trait.rs
class-cast-to-trait.stderr
class-method-missing.rs
class-method-missing.stderr
cleanup-rvalue-for-scope.rs
cleanup-rvalue-scopes-cf.rs
cleanup-rvalue-scopes-cf.stderr
cleanup-rvalue-scopes.rs
cleanup-rvalue-temp-during-incomplete-alloc.rs
cleanup-shortcircuit.rs
close-over-big-then-small-data.rs
command-line-diagnostics.rs
command-line-diagnostics.stderr
complex.rs
conservative_impl_trait.rs
conservative_impl_trait.stderr
constructor-lifetime-args.rs
constructor-lifetime-args.stderr
copy-a-resource.rs
copy-a-resource.stderr
crate-leading-sep.rs
crate-method-reexport-grrrrrrr.rs
crate-name-attr-used.rs
crate-name-mismatch.rs
crate-name-mismatch.stderr
custom_attribute.rs
custom_attribute.stderr
custom-attribute-multisegment.rs
custom-attribute-multisegment.stderr
custom-test-frameworks-simple.rs
deduplicate-diagnostics.deduplicate.stderr
deduplicate-diagnostics.duplicate.stderr
deduplicate-diagnostics.rs
deep.rs
default-method-parsing.rs
default-method-simple.rs
defaults-well-formedness.rs
deprecation-in-force-unstable.rs
deref-non-pointer.rs
deref-non-pointer.stderr
deref-rc.rs
deref.rs
derive-uninhabited-enum-38885.rs
derive-uninhabited-enum-38885.stderr
destructure-trait-ref.rs
destructure-trait-ref.stderr
diverging-fallback-method-chain.rs
diverging-fallback-option.rs
diverging-fn-tail-35849.rs
diverging-fn-tail-35849.stderr
double-ref.rs
double-type-import.rs
double-type-import.stderr
dupe-first-attr.rs
duplicate_entry_error.rs Rename std::panic::PanicInfo to PanicHookInfo. 2024-06-11 15:47:00 +02:00
duplicate_entry_error.stderr Rename std::panic::PanicInfo to PanicHookInfo. 2024-06-11 15:47:00 +02:00
early-ret-binop-add.rs
elide-errors-on-mismatched-tuple.rs
elide-errors-on-mismatched-tuple.stderr
elided-test.rs
elided-test.stderr
else-if.rs
empty-allocation-non-null.rs
empty-allocation-rvalue-non-null.rs
empty-type-parameter-list.rs
empty-type-parameter-list.stderr
error-festival.rs
error-festival.stderr
error-should-say-copy-not-pod.rs
error-should-say-copy-not-pod.stderr
exclusive-drop-and-copy.rs
exclusive-drop-and-copy.stderr
explain.rs
explain.stdout
explicit-i-suffix.rs
explore-issue-38412.rs
explore-issue-38412.stderr
ext-expand-inner-exprs.rs
ext-nonexistent.rs
ext-nonexistent.stderr
fact.rs
fail-simple.rs
fail-simple.stderr
filter-block-view-items.rs
format-no-std.rs
fun-indirect-call.rs
future-incompatible-lint-group.rs
future-incompatible-lint-group.stderr
global-scope.rs
hello.rs
illegal-ufcs-drop.fixed
illegal-ufcs-drop.rs
illegal-ufcs-drop.stderr
impl-inherent-non-conflict.rs
impl-not-adjacent-to-type.rs
impl-privacy-xc-1.rs
impl-unused-rps-in-assoc-type.rs
impl-unused-rps-in-assoc-type.stderr
impl-unused-tps-inherent.rs
impl-unused-tps-inherent.stderr
impl-unused-tps.rs
impl-unused-tps.stderr
implicit-method-bind.rs
implicit-method-bind.stderr
inline-disallow-on-variant.rs
inline-disallow-on-variant.stderr
inlined-main.rs
inner-attrs-on-impl.rs
inner-module.rs
inner-static-type-parameter.rs
inner-static-type-parameter.stderr
inner-static.rs
integral-indexing.rs
integral-indexing.stderr
integral-variable-unification-error.rs
integral-variable-unification-error.stderr
invalid_crate_type_syntax.rs
invalid_crate_type_syntax.stderr
invalid_dispatch_from_dyn_impls.rs
invalid_dispatch_from_dyn_impls.stderr
issue-11881.rs
issue-13560.rs
issue-15924.rs
issue-16822.rs
issue-18502.rs
issue-24106.rs
issue-76387-llvm-miscompile.rs
issues-71798.rs
issues-71798.stderr
item-name-overload.rs
kinds-in-metadata.rs
kinds-of-primitive-impl.rs
kinds-of-primitive-impl.stderr
last-use-in-block.rs
last-use-in-cap-clause.rs
last-use-is-capture.rs
lazy-and-or.rs
lexical-scopes.rs
lexical-scopes.stderr
lexical-scoping.rs
link-section.rs Make more of the test suite run on Mac Catalyst 2024-05-28 12:31:33 +02:00
list.rs
log-err-phi.rs
log-knows-the-names-of-variants.rs
log-poly.rs
logging-only-prints-once.rs
loud_ui.rs
max-min-classes.rs
maximal_mir_to_hir_coverage.rs
maybe-bounds.rs
maybe-bounds.stderr
minus-string.rs
minus-string.stderr
missing_debug_impls.rs
missing_debug_impls.stderr
mod-subitem-as-enum-variant.rs
mod-subitem-as-enum-variant.stderr
monomorphize-abi-alignment.rs
msvc-data-only.rs
multibyte.rs
multiline-comment.rs
mut-function-arguments.rs
mutual-recursion-group.rs
myriad-closures.rs
nested-block-comment.rs
nested-cfg-attrs.rs
nested-cfg-attrs.stderr
nested-class.rs
nested-ty-params.rs
nested-ty-params.stderr
new-impl-syntax.rs
new-import-syntax.rs
new-style-constants.rs
new-unicode-escapes.rs
newlambdas.rs
newtype-polymorphic.rs
newtype.rs
no_crate_type.rs
no_crate_type.stderr
no_send-enum.rs
no_send-enum.stderr
no_send-rc.rs
no_send-rc.stderr
no_share-enum.rs
no_share-enum.stderr
no_share-struct.rs
no_share-struct.stderr
no-capture-arc.rs
no-capture-arc.stderr
no-core-1.rs
no-core-2.rs
no-link-unknown-crate.rs
no-link-unknown-crate.stderr
no-reuse-move-arc.rs
no-reuse-move-arc.stderr
no-send-res-ports.rs
no-send-res-ports.stderr
no-warn-on-field-replace-issue-34101.rs
noexporttypeexe.rs
noexporttypeexe.stderr
non-constant-expr-for-arr-len.rs
non-constant-expr-for-arr-len.stderr
non-copyable-void.rs
non-copyable-void.stderr
non-fmt-panic.fixed
non-fmt-panic.rs
non-fmt-panic.stderr
noncopyable-class.rs
noncopyable-class.stderr
nonscalar-cast.fixed
nonscalar-cast.rs
nonscalar-cast.stderr
not-clone-closure.rs
not-clone-closure.stderr
not-copy-closure.rs
not-copy-closure.stderr
not-enough-arguments.rs
not-enough-arguments.stderr
nul-characters.rs
nullable-pointer-iotareduction.rs
nullable-pointer-size.rs
object-pointer-types.rs
object-pointer-types.stderr
objects-coerce-freeze-borrored.rs
occurs-check-2.rs
occurs-check-2.stderr
occurs-check-3.rs
occurs-check-3.stderr
occurs-check.rs
occurs-check.stderr
once-cant-call-twice-on-heap.rs
once-cant-call-twice-on-heap.stderr
oom_unwind.rs
op-assign-builtins-by-ref.rs
opeq.rs
opt-in-copy.rs
opt-in-copy.stderr
optimization-remark.rs
out-pointer-aliasing.rs
output-slot-variants.rs
over-constrained-vregs.rs
panic_implementation-closures.rs
panic-while-printing.rs
paren-span.rs
paren-span.stderr
partialeq_help.rs
partialeq_help.stderr
path-lookahead.fixed
path-lookahead.rs
path-lookahead.stderr
path.rs
paths-containing-nul.rs
phantom-auto-trait.rs
phantom-auto-trait.stderr
point-to-type-err-cause-on-impl-trait-return-2.rs
point-to-type-err-cause-on-impl-trait-return-2.stderr
pptypedef.rs
pptypedef.stderr
primitive-binop-lhs-mut.rs
print-stdout-eprint-stderr.rs
project-cache-issue-31849.rs
ptr-coercion-rpass.rs
ptr-coercion.rs
ptr-coercion.stderr
query-visibility.rs
raw-str.rs
README.md
realloc-16687.rs
reassign-ref-mut.rs
reassign-ref-mut.stderr
reexport-test-harness-main.rs
removing-extern-crate.fixed
removing-extern-crate.rs
removing-extern-crate.stderr
resource-assign-is-not-copy.rs
resource-destruct.rs
rustc-error.rs
rustc-error.stderr
seq-args.rs
seq-args.stderr
shadow-bool.rs
shadowed-use-visibility.rs
short-error-format.rs
short-error-format.stderr
sized-borrowed-pointer.rs
sized-cycle-note.rs
sized-cycle-note.stderr
sized-owned-pointer.rs
sse2.rs
stable-addr-of.rs
std-uncopyable-atomics.rs
std-uncopyable-atomics.stderr
stdio-is-blocking.rs
string-box-error.rs
struct-ctor-mangling.rs
super-at-top-level.rs
super-at-top-level.stderr
super.rs
svh-add-nothing.rs
swap-1.rs
swap-overlapping.rs
switched-expectations.rs
switched-expectations.stderr
syntax-extension-minor.rs
tag-type-args.rs
tag-type-args.stderr
tag-variant-cast-non-nullary.fixed
tag-variant-cast-non-nullary.rs
tag-variant-cast-non-nullary.stderr
tail-call-arg-leak.rs
tail-cps.rs
tail-typeck.rs
tail-typeck.stderr
trailing-comma.rs
trait-method-number-parameters.rs
trait-method-number-parameters.stderr
transmute-equal-assoc-types.rs
transmute-non-immediate-to-immediate.rs
trivial_casts-rpass.rs
trivial_casts-rpass.stderr
try-from-int-error-partial-eq.rs
try-operator-hygiene.rs
try-operator.rs
tydesc-name.rs
type_length_limit.polonius.stderr
type_length_limit.rs
type_length_limit.stderr
type-id-higher-rank-2.rs
type-namespace.rs
type-param-constraints.rs
type-param.rs
type-ptr.rs
type-use-i1-versus-i8.rs
typeid-intrinsic.rs
typestate-multi-decl.rs
unconstrained-none.rs
unconstrained-none.stderr
unconstrained-ref.rs
unconstrained-ref.stderr
underscore-ident-matcher.rs
underscore-ident-matcher.stderr
underscore-lifetimes.rs
underscore-method-after-integer.rs
unevaluated_fixed_size_array_len.rs
unevaluated_fixed_size_array_len.stderr
uninit-empty-types.rs
unit.rs
unknown-language-item.rs
unknown-language-item.stderr
unknown-llvm-arg.rs
unknown-llvm-arg.stderr
unnamed_argument_mode.rs
unreachable-code-1.rs
unreachable-code.rs
unsigned-literal-negation.rs
unsigned-literal-negation.stderr
unused-move-capture.rs
unused-move.rs
unwind-no-uwtable.rs
use-import-export.rs
use-keyword-2.rs
use-module-level-int-consts.rs
use-nested-groups.rs
used.rs
used.stderr
using-target-feature-unstable.rs
usize-generic-argument-parent.rs
usize-generic-argument-parent.stderr
utf8_idents.rs
utf8-bom.rs
wait-forked-but-failed-child.rs
walk-struct-literal-with.rs
walk-struct-literal-with.stderr
weak-new-uninhabited-issue-48493.rs
weird-exit-code.rs
weird-exprs.rs
write-fmt-errors.rs
writing-to-immutable-vec.rs
writing-to-immutable-vec.stderr
wrong-hashset-issue-42918.rs

README.md

UI Tests

This folder contains rustc's UI tests.

Test Directives (Headers)

Typically, a UI test will have some test directives / headers which are special comments that tell compiletest how to build and intepret a test.

As part of an on-going effort to rewrite compiletest (see https://github.com/rust-lang/compiler-team/issues/536), a major change proposal to change legacy compiletest-style headers // <directive> to ui_test-style headers //@ <directive> was accepted (see https://github.com/rust-lang/compiler-team/issues/512.

An example directive is ignore-test. In legacy compiletest style, the header would be written as

// ignore-test

but in ui_test style, the header would be written as

//@ ignore-test

compiletest is changed to accept only //@ directives for UI tests (currently), and will reject and report an error if it encounters any comments // <content> that may be parsed as an legacy compiletest-style test header. To fix this, you should migrate to the ui_test-style header //@ <content>.