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bors
5a7773a180 Auto merge of #35100 - GuillaumeGomez:rollup, r=GuillaumeGomez 
Rollup of 7 pull requests

- Successful merges: #34258, #34894, #35050, #35062, #35066, #35072, #35087
- Failed merges:
 2016-07-29 03:28:01 -07:00
Guillaume Gomez
5f5fdf64f1 Rollup merge of #35103 - brettcannon:patch-1, r=Manishearth 
Try to clear up some awkward wording
 2016-07-29 11:57:54 +02:00
Guillaume Gomez
d69161c119 Rollup merge of #35087 - GuillaumeGomez:fs_docs, r=steveklabnik 
Fs docs

Fixes #29356.

r? @steveklabnik
 2016-07-29 11:57:54 +02:00
Guillaume Gomez
3f06bf9afb Rollup merge of #35072 - munyari:assert_debug, r=steveklabnik 
Update docs for assert! and debug_assert!

Refer to #34455
 2016-07-29 11:57:54 +02:00
Guillaume Gomez
01505a3311 Rollup merge of #35066 - vadimcn:fix-typos, r=apasel422 
Fix typos

r? @steveklabnik
 2016-07-29 11:57:54 +02:00
Guillaume Gomez
41c8d3f630 Rollup merge of #35062 - frewsxcv:chars-as-str, r=GuillaumeGomez 
Add documentation example for `str::Chars::as_str`.

None
 2016-07-29 11:57:53 +02:00
Guillaume Gomez
72d1d06692 Rollup merge of #35050 - knight42:improve-fmt-doc, r=steveklabnik 
More intuitive explantion of strings formatting
 2016-07-29 11:57:53 +02:00
Guillaume Gomez
679f88d345 Rollup merge of #34258 - durka:patch-25, r=steveklabnik 
book/ffi: nullable pointer cleanup

Expand the "nullable pointer optimization" section with a code example. Fixes #34250.

I also noticed that many of the examples use the libc crate just for types such as `c_char` and `c_int`, which are now available through `std::os::raw`. I changed the ones that don't need to rely on libc. I'm glad to revert that part of the commit if it's unwanted churn.
 2016-07-29 11:57:53 +02:00
Michael Woerister
415fde498a intravisit: Fold functionality of IdVisitor into the regular Visitor. 2016-07-29 04:55:31 -04:00
Wang Xuerui
2a41b31a88
syntax_ext: format: fix ICE with bad named arguments 2016-07-29 16:40:10 +08:00
Jan-Erik Rediger
7c0cd30c4b Update LLVM again 2016-07-29 10:29:59 +02:00
Alex Crichton
52430727cd test: Fix a test on MSVC 
Apparently MSVC now has namespaces in backtraces!
 2016-07-29 10:29:59 +02:00
Jan-Erik Rediger
f38762a881 [LLVM-3.9] Use llvm-3.9 branch 2016-07-29 10:29:59 +02:00
Vladimir Vukicevic
330dd39bb2 Remove NO_FILE_METADATA; always use unknown_file_metadata instead of passing 0 2016-07-29 10:29:59 +02:00
Alex Crichton
2492d24baa llvm: Remove no longer existent LLVMAddTargetData binding 2016-07-29 10:29:59 +02:00
Alex Crichton
0509be1f6b Update parsing llvm-config output 
Now it prints full paths on MSVC, but we're only interested in path names
 2016-07-29 10:29:59 +02:00
Alex Crichton
75bcda4cf1 rustc: Update LLVM to the LLVM 3.9 release branch 
The 3.9 release of LLVM isn't out yet, but this moves us onto that branch to
start tracking it.
 2016-07-29 10:29:59 +02:00
Alex Crichton
5fa55781bd test: Remove the execution-engine test 
We don't actually officially support this at all, and the execution engine
support in LLVM we've had to gut as it's not compiling on MinGW, so just delete
this test for now.
 2016-07-29 10:29:59 +02:00
Alex Crichton
e8f76661f1 rustc: Fix data-layout for AArch64 targets 
Also relax the assertion whenever we have a custom LLVM root as LLVM may
disagree about exact specifics.
 2016-07-29 10:29:44 +02:00
Alex Crichton
d851428cc3 configure: Fix grep invocation for llvm-mc argument 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
a36595ed14 Force check of error 
The passed error needs to be checked.
Otherwise it will force an abort when it is deconstructed, but a
success value.
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
2c16e24643 Use C type when passing value to LLVM pass 
Previously the C type LLVMRelocMode (available as RelocMode in Rust)
was passed as is to the function.
However createTargetMachine expects a Reloc::Model, which is an enum
just one value short.
Additionally, the function was marked as requiring Reloc::Model in the
C code, but RelocMode on the Rust-side.

We now use the correct C type LLVMRelocMode and convert it to an
Optional<Reloc::Model> as expected by the createTargetMachine call the
same the original LLVMCreateTargetMachine function does.
See
c9b262bfbd/lib/Target/TargetMachineC.cpp (L104-L121)

This was found by @eddyb.
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
079db4f971 Use correct error handling type 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
dc7076b52e [LLVM-3.9] Pass correct relocation model flag 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
2c92756dde Upgrade llvm 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
ad262d54dc Update compiler-rt 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
09c3f33ec2 Flip LLVM verion check clause 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
f439aeef07 [LLVM-3.9] Use old way of getting next child 
This was changed back in
https://github.com/rust-lang/llvm/commit/aacf2fbf
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
d0e5aa4820 Upgrade compiler-rt 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
2bcb2b8990 Upgrade LLVM to include std::thread patch 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
1798c1aa59 Refactor determining of relocation model into methods 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
1bc0447260 [LLVM-3.9] Maintain backward compatibility in Archiver 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
deafab19be [LLVM-3.9] Increase PIELevel 
Previously, we had a PositionIndependentExecutable, now we simply
choose the highest level. This should be equivalent.

🍰
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
12ccff99bf Use relative path to type 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
9e706f90cb [LLVM-3.9] Configure PIE at the module level instead of compilation unit level 
This was deleted here[1] which appears to be replaced by this[2]
which is a new setPIELevel function on the LLVM module itself.

[1]: http://reviews.llvm.org/D19753
[2]: http://reviews.llvm.org/D19671
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
dbb4178f4e [LLVM-3.9] Update return type for Archive::create 
Changed in
0b21d88fd3
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
8433f9bb33 [LLVM-3.9] Replace NewArchiveIterator with NewArchiveMember 
The new NewArchiveMember is simpler and requires less context,
according to upstream.

This was changed in http://reviews.llvm.org/D21721
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
5b44e10fb7 [LLVM-3.9] Preserve certain functions when internalizing 
This makes sure to still use the old way for older LLVM versions.
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
6ed5db8d35 [LLVM-3.9] Specify that we are using the legacy interface 
LLVM pass manager infrastructure is currently getting rewritten to be
more flexible, but the rewrite isn't complete yet.
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
fba1f8f123 [LLVM-3.9] Setup the compile unit information immediately 
Since LLVM reversed the order of the debug info graphs, we need to have
a compile unit that exists *before* any functions (`DISubprogram`s) are
created. This allows the LLVM debug info builder to automatically link
the functions to the compile unit.
 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
7420874a97 [LLVM-3.9] Rename custom methods to Rust-specific ones 2016-07-29 10:29:44 +02:00
Jan-Erik Rediger
d22a9a2940 Upgrade to rust-llvm-2016-07-09 2016-07-29 10:29:44 +02:00
bors
1523a5480a Auto merge of #34980 - cardoe:expose-target-options, r=alexcrichton 
Convert built-in targets to JSON

Convert the built-in targets to JSON to ensure that the JSON parser is always fully featured. This follows on #32988 and #32847. The PR includes a number of extra commits that are just intermediate changes necessary for bisectibility and the ability to prove correctness of the change.
 2016-07-28 23:18:52 -07:00
Corey Farwell
f459e801fd Rewrite collections::LinkedList::append doc example. 2016-07-28 22:09:31 -04:00
Brett Cannon
3563e400cc Try to clear up some awkward wording 2016-07-28 19:02:25 -07:00
bors
d9a911d236 Auto merge of #34967 - TimNN:mipsel-musl-soft-float, r=alexcrichton 
switch mipsel-musl to soft float

Closes #34922.

r? @alexcrichton
 2016-07-28 18:31:54 -07:00
Tobias Bucher
bb6c27e74d Escape the unmatched surrogates with lower-case hexadecimal numbers 
It's done the same way for the rest of the codepoint escapes.
 2016-07-29 00:52:03 +02:00
bors
54c0dcfd63 Auto merge of #34956 - nikomatsakis:incr-comp-o-files, r=mw 
Enable reuse of `.o` files if nothing has changed

This PR completes a first "spike" for incremental compilation by enabling us to reuse `.o` files when nothing has changed. When in incr. mode, we will save `.o` files into the temporary directory, then copy them back out again if they are still valid. The code is still a bit rough but it does seem to work. =)

r? @michaelwoerister

Fixes #34036
Fixes #34037
Fixes #34038
 2016-07-28 14:17:54 -07:00
Niko Matsakis
42cd5d4ee2 make it possible to track where hash diverges 2016-07-28 15:39:34 -04:00
Niko Matsakis
e359147d12 hash def-path's better 
actually we shouldn't even hash nested items at all, but that is
addressed in a followup PR
 2016-07-28 15:39:02 -04:00