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2017-02-25Rollup merge of #39953 - keeperofdakeys:macro-error, r=jseyfriedEduard-Mihai Burtescu-1/+1
Provide suggestions for unknown macros imported with `use` cc https://github.com/rust-lang/rust/issues/30197 r? @jseyfried
2017-02-23Feature gateest31-0/+7
2017-02-23Move MacroKind into Def::MacroJosh Driver-1/+1
2017-02-21Stabilize static_recursionTaylor Cramer-3/+2
2017-02-21Create "The Unstable Book"Steve Klabnik-2/+7
part of #39588
2017-02-21Add long error explanationsGuillaume Gomez-20/+85
2017-02-20Add error codes for errors in libsyntaxGuillaume Gomez-40/+86
2017-02-17Auto merge of #39752 - keeperofdakeys:macro-error, r=keeperofdakeysbors-16/+42
Refactor macro resolution errors + add derive macro suggestions Move legacy macro resolution error reporting to `finalize_current_module_macro_resolutions`, and provide suggestions for derive macros. Fixes #39323 cc https://github.com/rust-lang/rust/issues/30197 r? @jseyfried
2017-02-16Refactor macro resolution errors + add derive macro suggestionsJosh Driver-16/+42
2017-02-15Stabilize field init shorthandest31-7/+2
Closes #37340.
2017-02-14Rollup merge of #39730 - jseyfried:fix_empty_seq_rep_ice, r=nrcCorey Farwell-5/+14
macros: fix ICE on certain sequence repetitions Fixes #39709. r? @nrc
2017-02-12Allow using inert attributes from `proc_macro_derive`s with ↵Jeffrey Seyfried-228/+231
`#![feature(proc_macro)]`.
2017-02-12Move legacy custom derives collection into `resolver.find_attr_invoc()`.Jeffrey Seyfried-35/+1
2017-02-10Fix ICE on certain sequence repetitions.Jeffrey Seyfried-5/+14
2017-02-09Rollup merge of #39674 - jseyfried:fix_token_tree_parsing_ICE, r=nrcCorey Farwell-3/+10
parser: fix ICE when parsing token trees after an error Fixes #39388, fixes #39616. r? @nrc
2017-02-09Auto merge of #39265 - est31:master, r=petrochenkovbors-3/+2
Stabilize static lifetime in statics Stabilize the "static_in_const" feature. Blockers before this PR can be merged: * [x] The [FCP with inclination to stabilize](https://github.com/rust-lang/rust/issues/35897#issuecomment-270441437) needs to be over. FCP lasts roughly three weeks, so will be over at Jan 25, aka this thursday. * [x] Documentation needs to be added (#37928) Closes #35897.
2017-02-09suggest doubling recursion limit in more situationsAlex Burka-4/+10
2017-02-08Rollup merge of #38699 - japaric:lsan, r=alexcrichtonCorey Farwell-0/+10
LeakSanitizer, ThreadSanitizer, AddressSanitizer and MemorySanitizer support ``` $ cargo new --bin leak && cd $_ $ edit Cargo.toml && tail -n3 $_ ``` ``` toml [profile.dev] opt-level = 1 ``` ``` $ edit src/main.rs && cat $_ ``` ``` rust use std::mem; fn main() { let xs = vec![0, 1, 2, 3]; mem::forget(xs); } ``` ``` $ RUSTFLAGS="-Z sanitizer=leak" cargo run --target x86_64-unknown-linux-gnu; echo $? Finished dev [optimized + debuginfo] target(s) in 0.0 secs Running `target/debug/leak` ================================================================= ==10848==ERROR: LeakSanitizer: detected memory leaks Direct leak of 16 byte(s) in 1 object(s) allocated from: #0 0x557c3488db1f in __interceptor_malloc /shared/rust/checkouts/lsan/src/compiler-rt/lib/lsan/lsan_interceptors.cc:55 #1 0x557c34888aaa in alloc::heap::exchange_malloc::h68f3f8b376a0da42 /shared/rust/checkouts/lsan/src/liballoc/heap.rs:138 #2 0x557c34888afc in leak::main::hc56ab767de6d653a $PWD/src/main.rs:4 #3 0x557c348c0806 in __rust_maybe_catch_panic ($PWD/target/debug/leak+0x3d806) SUMMARY: LeakSanitizer: 16 byte(s) leaked in 1 allocation(s). 23 ``` ``` $ cargo new --bin racy && cd $_ $ edit src/main.rs && cat $_ ``` ``` rust use std::thread; static mut ANSWER: i32 = 0; fn main() { let t1 = thread::spawn(|| unsafe { ANSWER = 42 }); unsafe { ANSWER = 24; } t1.join().ok(); } ``` ``` $ RUSTFLAGS="-Z sanitizer=thread" cargo run --target x86_64-unknown-linux-gnu; echo $? ================== WARNING: ThreadSanitizer: data race (pid=12019) Write of size 4 at 0x562105989bb4 by thread T1: #0 racy::main::_$u7b$$u7b$closure$u7d$$u7d$::hbe13ea9e8ac73f7e $PWD/src/main.rs:6 (racy+0x000000010e3f) #1 _$LT$std..panic..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h2e466a92accacc78 /shared/rust/checkouts/lsan/src/libstd/panic.rs:296 (racy+0x000000010cc5) #2 std::panicking::try::do_call::h7f4d2b38069e4042 /shared/rust/checkouts/lsan/src/libstd/panicking.rs:460 (racy+0x00000000c8f2) #3 __rust_maybe_catch_panic <null> (racy+0x0000000b4e56) #4 std::panic::catch_unwind::h31ca45621ad66d5a /shared/rust/checkouts/lsan/src/libstd/panic.rs:361 (racy+0x00000000b517) #5 std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::hccfc37175dea0b01 /shared/rust/checkouts/lsan/src/libstd/thread/mod.rs:357 (racy+0x00000000c226) #6 _$LT$F$u20$as$u20$alloc..boxed..FnBox$LT$A$GT$$GT$::call_box::hd880bbf91561e033 /shared/rust/checkouts/lsan/src/liballoc/boxed.rs:605 (racy+0x00000000f27e) #7 std::sys::imp::thread::Thread::new::thread_start::hebdfc4b3d17afc85 <null> (racy+0x0000000abd40) Previous write of size 4 at 0x562105989bb4 by main thread: #0 racy::main::h23e6e5ca46d085c3 $PWD/src/main.rs:8 (racy+0x000000010d7c) #1 __rust_maybe_catch_panic <null> (racy+0x0000000b4e56) #2 __libc_start_main <null> (libc.so.6+0x000000020290) Location is global 'racy::ANSWER::h543d2b139f819b19' of size 4 at 0x562105989bb4 (racy+0x0000002f8bb4) Thread T1 (tid=12028, running) created by main thread at: #0 pthread_create /shared/rust/checkouts/lsan/src/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:902 (racy+0x00000001aedb) #1 std::sys::imp::thread::Thread::new::hce44187bf4a36222 <null> (racy+0x0000000ab9ae) #2 std::thread::spawn::he382608373eb667e /shared/rust/checkouts/lsan/src/libstd/thread/mod.rs:412 (racy+0x00000000b5aa) #3 racy::main::h23e6e5ca46d085c3 $PWD/src/main.rs:6 (racy+0x000000010d5c) #4 __rust_maybe_catch_panic <null> (racy+0x0000000b4e56) #5 __libc_start_main <null> (libc.so.6+0x000000020290) SUMMARY: ThreadSanitizer: data race $PWD/src/main.rs:6 in racy::main::_$u7b$$u7b$closure$u7d$$u7d$::hbe13ea9e8ac73f7e ================== ThreadSanitizer: reported 1 warnings 66 ``` ``` $ cargo new --bin oob && cd $_ $ edit src/main.rs && cat $_ ``` ``` rust fn main() { let xs = [0, 1, 2, 3]; let y = unsafe { *xs.as_ptr().offset(4) }; } ``` ``` $ RUSTFLAGS="-Z sanitizer=address" cargo run --target x86_64-unknown-linux-gnu; echo $? ================================================================= ==13328==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fff29f3ecd0 at pc 0x55802dc6bf7e bp 0x7fff29f3ec90 sp 0x7fff29f3ec88 READ of size 4 at 0x7fff29f3ecd0 thread T0 #0 0x55802dc6bf7d in oob::main::h0adc7b67e5feb2e7 $PWD/src/main.rs:3 #1 0x55802dd60426 in __rust_maybe_catch_panic ($PWD/target/debug/oob+0xfe426) #2 0x55802dd58dd9 in std::rt::lang_start::hb2951fc8a59d62a7 ($PWD/target/debug/oob+0xf6dd9) #3 0x55802dc6c002 in main ($PWD/target/debug/oob+0xa002) #4 0x7fad8c3b3290 in __libc_start_main (/usr/lib/libc.so.6+0x20290) #5 0x55802dc6b719 in _start ($PWD/target/debug/oob+0x9719) Address 0x7fff29f3ecd0 is located in stack of thread T0 at offset 48 in frame #0 0x55802dc6bd5f in oob::main::h0adc7b67e5feb2e7 $PWD/src/main.rs:1 This frame has 1 object(s): [32, 48) 'xs' <== Memory access at offset 48 overflows this variable HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext (longjmp and C++ exceptions *are* supported) SUMMARY: AddressSanitizer: stack-buffer-overflow $PWD/src/main.rs:3 in oob::main::h0adc7b67e5feb2e7 Shadow bytes around the buggy address: 0x1000653dfd40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfd50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfd60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfd70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x1000653dfd90: 00 00 00 00 f1 f1 f1 f1 00 00[f3]f3 00 00 00 00 0x1000653dfda0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfdb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfdc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfdd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x1000653dfde0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Heap right redzone: fb Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack partial redzone: f4 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==13328==ABORTING 1 ``` ``` $ cargo new --bin uninit && cd $_ $ edit src/main.rs && cat $_ ``` ``` rust use std::mem; fn main() { let xs: [u8; 4] = unsafe { mem::uninitialized() }; let y = xs[0] + xs[1]; } ``` ``` $ RUSTFLAGS="-Z sanitizer=memory" cargo run; echo $? ==30198==WARNING: MemorySanitizer: use-of-uninitialized-value #0 0x563f4b6867da in uninit::main::hc2731cd4f2ed48f8 $PWD/src/main.rs:5 #1 0x563f4b7033b6 in __rust_maybe_catch_panic ($PWD/target/debug/uninit+0x873b6) #2 0x563f4b6fbd69 in std::rt::lang_start::hb2951fc8a59d62a7 ($PWD/target/debug/uninit+0x7fd69) #3 0x563f4b6868a9 in main ($PWD/target/debug/uninit+0xa8a9) #4 0x7fe844354290 in __libc_start_main (/usr/lib/libc.so.6+0x20290) #5 0x563f4b6864f9 in _start ($PWD/target/debug/uninit+0xa4f9) SUMMARY: MemorySanitizer: use-of-uninitialized-value $PWD/src/main.rs:5 in uninit::main::hc2731cd4f2ed48f8 Exiting 77 ```
2017-02-09Fix ICE when parsing token trees after an error.Jeffrey Seyfried-3/+10
2017-02-08sanitizer supportJorge Aparicio-0/+10
2017-02-08Rollup merge of #39557 - bjorn3:pp-docs, r=jseyfriedCorey Farwell-78/+89
A few documentation improvements for `syntax::print::pp` * Moved algorithm explanation to module docs * Added ``` before and after the examples * Explanation of the `rbox`, `ibox` and `cbox` names * Added docs about the breaking types to `Breaks`
2017-02-08Stabilize static in constest31-3/+2
Closes #35897.
2017-02-07Change deprecation warning to indicate custom derive support was removed ↵Jordi Polo-4/+3
from the current compiler version
2017-02-06A few documentation improvements for `syntax::print::pp`bjorn3-78/+89
* Moved algorithm explanation to module docs * Added ``` before and after the examples * Explanation of the `rbox`, `ibox` and `cbox` names * Added docs about the breaking types to `Breaks`
2017-02-05Rollup merge of #39552 - ↵Corey Farwell-1/+1
zackmdavis:more_struct_aliases_stabilization_version, r=petrochenkov correct version in which more_struct_aliases was/will be stable The stabilizing commit is 5056a437, which is not in 1.14, but is (at time of writing) on the 1.16 beta branch. [See discussion](https://github.com/rust-lang/rust/pull/39282#discussion_r99481687).
2017-02-05Rollup merge of #39454 - abonander:proc_macro_tracking_issue, r=jseyfriedCorey Farwell-1/+1
Change tracking issue for `proc_macro` feature to #38356 r? @jseyfried
2017-02-05Rollup merge of #39453 - nrc:save-path, r=nikomatsakisCorey Farwell-0/+1
save-analysis: be more paranoid about generated paths fixes https://github.com/rust-lang-nursery/rls/issues/160
2017-02-05Rollup merge of #39442 - keeperofdakeys:expand-derives, r=jseyfriedCorey Farwell-12/+345
Expand derive macros in the MacroExpander This removes the expand_derives function, and sprinkles the functionality throughout the Invocation Collector, Expander and Resolver. Fixes https://github.com/rust-lang/rust/issues/39326 r? @jseyfried
2017-02-04correct version in which more_struct_aliases was/will be stableZack M. Davis-1/+1
The stabilizing commit is 5056a437, which is not in 1.14, but is (at time of writing) on the 1.16 beta branch.
2017-02-05Move derive macro expansion into the MacroExpanderJosh Driver-8/+331
This removes the expand_derives function, and sprinkles the functionality throughout the Invocation Collector, Expander and Resolver.
2017-02-05Rename CustomDerive to ProcMacroDerive for macros 1.1Josh Driver-3/+7
2017-02-05Make builtin derives a SyntaxExtensionJosh Driver-3/+9
This allows builtin derives to be registered and resolved, just like other derive types.
2017-02-04Auto merge of #38426 - vadimcn:nobundle, r=alexcrichtonbors-0/+3
Implement kind="static-nobundle" (RFC 1717) This implements the "static-nobundle" library kind (last item from #37403). Rustc handles "static-nobundle" libs very similarly to dylibs, except that on Windows, uses of their symbols do not get marked with "dllimport". Which is the whole point of this feature.
2017-02-04Auto merge of #36320 - GuillaumeGomez:rustdoc_test_info, r=alexcrichtonbors-10/+13
Add information in case of markdown block code test failure r? @steveklabnik cc @jonathandturner
2017-02-03Bump version, upgrade bootstrapAlex Crichton-13/+1
This commit updates the version number to 1.17.0 as we're not on that version of the nightly compiler, and at the same time this updates src/stage0.txt to bootstrap from freshly minted beta compiler and beta Cargo.
2017-02-03Switch logic to Span instead of HashMapGuillaume Gomez-10/+13
2017-02-02Rollup merge of #39420 - oli-obk:sugg, r=pnkfelixGuillaume Gomez-4/+23
parser: use suggestions instead of helps with code in them
2017-02-01Change tracking issue for `proc_macro` feature to #38356Austin Bonander-1/+1
2017-02-02save-analysis: be more paranoid about generated pathsNick Cameron-0/+1
fixes https://github.com/rust-lang-nursery/rls/issues/160
2017-01-31use suggestions instead of helps with code in themOliver Schneider-4/+23
2017-01-29Fix the falloutVadim Petrochenkov-10/+9
2017-01-28Auto merge of #39360 - osa1:typos, r=GuillaumeGomezbors-1/+1
Fix typos in libsyntax/tokenstream.rs
2017-01-28Fix typos in libsyntax/tokenstream.rsÖmer Sinan Ağacan-1/+1
2017-01-27Rollup merge of #39335 - cramertj:cramertj/can_begin_expr_fix, r=petrochenkovAlex Crichton-1/+23
Fix can_begin_expr keyword behavior Partial fix for #28784.
2017-01-27Auto merge of #39282 - petrochenkov:selfstab, r=nikomatsakisbors-4/+2
Stabilize Self and associated types in struct expressions and patterns Rebase of https://github.com/rust-lang/rust/pull/37734 Closes https://github.com/rust-lang/rust/issues/37544 r? @nikomatsakis
2017-01-26Fix can_begin_expr keyword behaviorTaylor Cramer-1/+23
2017-01-27Auto merge of #39158 - petrochenkov:bounds, r=nikomatsakisbors-433/+300
Bounds parsing refactoring 2 See https://github.com/rust-lang/rust/pull/37511 for previous discussion. cc @matklad Relaxed parsing rules: - zero bounds after `:` are allowed in all contexts. - zero predicates are allowed after `where`. - trailing separator `,` is allowed after predicates in `where` clauses not followed by `{`. Other parsing rules: - trailing separator `+` is still allowed in all bound lists. Code is also cleaned up and tests added. I haven't touched parsing of trait object types yet, I'll do it later.
2017-01-26Better comments for FIXMEsVadim Petrochenkov-2/+2
2017-01-26Auto merge of #39075 - est31:remove_reflect, r=nikomatsakisbors-5/+1
Remove Reflect PR for removing the `Reflect` trait. Opened so that a crater run can be done for testing the impact: https://github.com/rust-lang/rust/issues/27749#issuecomment-272665163 Fixes #27749
2017-01-25Auto merge of #35712 - oli-obk:exclusive_range_patterns, r=nikomatsakisbors-22/+67
exclusive range patterns adds `..` patterns to the language under a feature gate (`exclusive_range_pattern`). This allows turning ``` rust match i { 0...9 => {}, 10...19 => {}, 20...29 => {}, _ => {} } ``` into ``` rust match i { 0..10 => {}, 10..20 => {}, 20..30 => {}, _ => {} } ```
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