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459 Commits

Author SHA1 Message Date
Tyler Mandry
6d834a4046
Rollup merge of #76002 - richkadel:llvm-coverage-map-gen-6b.3, r=tmandry 
Fix `-Z instrument-coverage` on MSVC

Found that `-C link-dead-code` (which was enabled automatically
under `-Z instrument-coverage`) was causing the linking error that
resulted in segmentation faults in coverage instrumented binaries. Link
dead code is now disabled under MSVC, allowing `-Z instrument-coverage`
to be enabled under MSVC for the first time.

More details are included in Issue #76038 .

Note this PR makes it possible to support `Z instrument-coverage` but
does not enable instrument coverage for MSVC in existing tests. It will be
enabled in another PR to follow this one (both PRs coming from original
PR #75828).

r? @tmandry
FYI: @wesleywiser
 2020-08-31 19:18:14 -07:00
Rich Kadel
ddb054aee8 Fix -Z instrument-coverage on MSVC 
Found that -C link-dead-code (which was enabled automatically
under -Z instrument-coverage) was causing the linking error that
resulted in segmentation faults in coverage instrumented binaries. Link
dead code is now disabled under MSVC, allowing `-Z instrument-coverage`
to be enabled under MSVC for the first time.

More details are included in Issue #76038.

(This PR was broken out from PR #75828)
 2020-08-31 18:41:13 -07:00
bors
d824b23514 Auto merge of #75931 - estebank:suggest-if-let, r=petrochenkov 
Suggest `if let x = y` when encountering `if x = y`

Detect potential cases where `if let` was meant but `let` was left out.

Fix #44990.
 2020-09-01 00:26:01 +00:00
Aleksey Kladov
67f16431aa
Rollup merge of #76075 - marmeladema:remove-once-cell-crate, r=matklad 
datastructures: replace `once_cell` crate with an impl from std

Fixes #75700

r? @matklad

We might need a perf run for this change.
 2020-08-31 15:22:42 +02:00
Mateusz Mikuła
23f0ccfe5d Stabilise link-self-contained option 2020-08-31 15:13:31 +02:00
Aaron Hill
d9208665b5
Add -Z proc-macro-backtrace to allow showing proc-macro panics 
Fixes #75050

Previously, we would unconditionally suppress the panic hook during
proc-macro execution. This commit adds a new flag
-Z proc-macro-backtrace, which allows running the panic hook for
easier debugging.
 2020-08-30 22:17:24 -04:00
Esteban Küber
07112ca62d Suggest if let x = y when encountering if x = y 
Detect potential cases where `if let` was meant but `let` was left out.

Fix #44990.
 2020-08-30 15:01:06 -07:00
marmeladema
68500ffacb datastructures: replace once_cell crate with an impl from std 2020-08-30 20:06:14 +01:00
mark
9e5f7d5631 mv compiler to compiler/ 2020-08-30 18:45:07 +03:00