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2019-09-29Rollup merge of #64799 - Aaron1011:fix/double-panic, r=Mark-SimulacrumMazdak Farrokhzad-1/+1
Fix double panic when printing query stack during an ICE On the latest nightly, any call to `bug` or `span_bug` will result in two panics - the first one as a normal result of calling `bug` / `span_bug`, and the second as a result of trying to print the query stack from the panic handler. This is caused by the query-printing code attempting to acquire a lock on `HandlerInnder`, which is still being held by `bug`. This PR moves the actual panic out of `HandlerInner`, into `Handler`. This allows us to release the lock on `HandlerInner` before triggering the panic, ensuring that the panic handler will be able to acquire the lock if necessary.
2019-09-26Use existing Handler to print query stackAaron Hill-1/+1
When the panic handler is run, the existing Handler may be in a weird state if it was responsible for triggering the panic. By using a freshly created Handler, we avoid trying to re-entrantly lock a HandlerInner, which was causing a double panic on ICEs.
2019-09-26Rename `MetaItem.node` to `MetaItem.kind`varkor-1/+1
2019-09-23Introduce a diagnostic stashing API.Mazdak Farrokhzad-2/+1
2019-09-17Remove Handler::{emit, emit_with_code}Mark Rousskov-7/+5
2019-09-17Replace DiagnosticBuilder with Diagnostic when emitting errorMark Rousskov-0/+1
2019-09-16Rollup merge of #64497 - nnethercote:fix-64339, r=petrochenkovMazdak Farrokhzad-1/+4
Don't print the "total" `-Ztime-passes` output if `--prints=...` is also given Fixes #64339.
2019-09-16Don't print the "total" `-Ztime-passes` output if `--prints=...` is also given.Nicholas Nethercote-1/+4
Fixes #64339.
2019-09-15Auto merge of #60584 - jonas-schievink:ice-panic-hook, r=oli-obkbors-49/+94
Use `panic::set_hook` to print the ICE message This allows custom frontends and backends to override the hook with their own, for example to point people to a different issue tracker. ICE messages are printed in a slightly different order now. Nightly prints: ``` thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21 note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace. error: aborting due to 2 previous errors Some errors have detailed explanations: E0277, E0658. For more information about an error, try `rustc --explain E0277`. error: internal compiler error: unexpected panic note: the compiler unexpectedly panicked. this is a bug. note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports note: rustc 1.36.0-nightly (08bfe1612 2019-05-02) running on x86_64-unknown-linux-gnu ``` After this PR, rustc prints: ``` thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21 note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace. error: internal compiler error: unexpected panic note: the compiler unexpectedly panicked. this is a bug. note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports note: rustc 1.36.0-dev running on x86_64-unknown-linux-gnu error: aborting due to 2 previous errors Some errors have detailed explanations: E0277, E0658. For more information about an error, try `rustc --explain E0277`. ```
2019-09-05Remove rustc_diagnostic_macros featureMark Rousskov-1/+0
2019-08-30Update commentJonas Schievink-1/+1
2019-08-30Document the ICE hook and make it more flexibleJonas Schievink-3/+12
2019-08-30Clarify that rustc unwinds on errors, not panicsJonas Schievink-1/+1
2019-08-30Move librustc panic handler into the new oneJonas Schievink-5/+22
2019-08-30Use `panic::set_hook` to print the ICE messageJonas Schievink-45/+64
2019-08-30Auto merge of #63827 - andjo403:out-of-process-rustc-in-rustdoc, ↵bors-0/+9
r=Mark-Simulacrum Run doctests via out-of-process rustc closes #63638
2019-08-30Auto merge of #63402 - estebank:strip-margin, r=oli-obkbors-5/+7
Strip code to the left and right in diagnostics for long lines Fix #62999.
2019-08-29support rustdoc test from stdin to rustcAndreas Jonson-0/+9
2019-08-22Auto merge of #63175 - jsgf:argsfile, r=jsgfbors-8/+29
rustc: implement argsfiles for command line Many tools, such as gcc and gnu-ld, support "args files" - that is, being able to specify @file on the command line. This causes `file` to be opened and parsed for command line options. They're separated with whitespace; whitespace can be quoted with double or single quotes, and everything can be \\-escaped. Args files may recursively include other args files via `@file2`. See https://sourceware.org/binutils/docs/ld/Options.html#Options for the documentation of gnu-ld's @file parameters. This is useful for very large command lines, or when command lines are being generated into files by other tooling.
2019-08-21Add terminal_width debugging flagEsteban Küber-5/+7
2019-08-20Move argfile expansion into run_compilerJeremy Fitzhardinge-6/+14
This will make @path work with miri and other non-standard entrypoints. Also since this simplifies librustc_driver::args, move it into a simple source file. Also remove the tests since they're doing nothing more than checking `str::lines` has the right behaviour.
2019-08-19rustc: implement argsfiles for command lineJeremy Fitzhardinge-4/+17
This makes `rustc` support `@path` arguments on the command line. The `path` is opened and the file is interpreted as new command line options which are logically inserted at that point in the command-line. The options in the file are one per line. The file is UTF-8 encoded, and may have either Unix or Windows line endings. It does not support recursive use of `@path`. This is useful for very large command lines, or when command-lines are being generated into files by other tooling.
2019-08-19Use named arguments for formatting usage message.Jeremy Fitzhardinge-5/+5
It was getting a bit awkward.
2019-08-20Deprecate using rustc_plugin without the rustc_driver dylib.Simon Sapin-0/+2
CC https://github.com/rust-lang/rust/pull/59800 https://github.com/rust-lang/rust/commit/7198687bb2df13a3298ef1e8f594753073d6b9e8 Fix https://github.com/rust-lang/rust/issues/62717
2019-08-15`Ident::with_empty_ctxt` -> `Ident::with_dummy_span`Vadim Petrochenkov-1/+1
`Ident` has had a full span rather than just a `SyntaxContext` for a long time now.
2019-08-09Cleanup historical stability commentsMark Rousskov-15/+6
These weren't removed by ccbcc720a679ae76155a8 most likely by accident, let's clean them up now.
2019-07-28Deny `unused_lifetimes` through rustbuildVadim Petrochenkov-2/+0
2019-07-28Remove lint annotations in specific crates that are already enforced by ↵Vadim Petrochenkov-1/+0
rustbuild Remove some random unnecessary lint `allow`s
2019-07-23cleanup: Remove `extern crate serialize as rustc_serialize`sVadim Petrochenkov-1/+1
2019-07-15Use more descriptive Compilation enum in rustc interface callbacksIgor Matuszewski-12/+15
2019-07-15Add Callbacks::after_expansionIgor Matuszewski-0/+9
2019-07-05Rollup merge of #62110 - nnethercote:improve-Ztime-passes, r=ZoxcMazdak Farrokhzad-6/+26
Improve -Ztime-passes Two improvements that make `-Ztime-passes` more useful. r? @Zoxc
2019-07-05Add a "total" measurement to -Ztime-passes.Nicholas Nethercote-6/+26
This is useful for getting the total compilation time at the end. To do this, the patch changes `print_time_passes_entry` to not increment the depth, which means that `print_time_passes_entry_internal` is no longer needed.
2019-06-24Enable internal lints in bootstrapflip1995-1/+0
2019-06-11Add deny(unused_lifetimes) to all the crates that have deny(internal).Eduard-Mihai Burtescu-0/+1
2019-05-13Remove the equality operation between `Symbol` and strings.Nicholas Nethercote-1/+2
And also the equality between `Path` and strings, because `Path` is made up of `Symbol`s.
2019-04-30Rename to RUSTC_LOGYuki OKUSHI-1/+1
2019-04-17Deny `internal` in stage0Mateusz Mikuła-1/+1
2019-04-12Rollup merge of #59680 - DevQps:document-rustc-z-flag, r=cramertjMazdak Farrokhzad-2/+2
Document the -Z flag to the rustc book # Description Changes: - Added new documentation on the `-Z` flag of rustc in the command-line arguments section of the rustc book. If I need to rephrase anything or if you have any improvements, please let me know! I deliberately did not create an exhaustive list of all options since they are likely to change over time and per toolchain version. closes #41142
2019-04-10Updated the documentation, now claiming the -Z is associated to unstable ↵Christian-2/+2
compiler flags, instead of flags for debugging.
2019-04-03Deny internal lints on non conflicting cratesflip1995-0/+1
- libarena - librustc_allocator - librustc_borrowck - librustc_codegen_ssa - librustc_codegen_utils - librustc_driver - librustc_errors - librustc_incremental - librustc_metadata - librustc_passes - librustc_privacy - librustc_resolve - librustc_save_analysis - librustc_target - librustc_traits - libsyntax - libsyntax_ext - libsyntax_pos
2019-03-27librustc_driver => 2018Taiki Endo-29/+2
2019-03-18Auto merge of #58847 - bjorn3:remove_metadata_only_cg, r=alexcrichtonbors-3/+0
Remove metadata only codegen backend It is unused and probably broken at the moment.
2019-03-16Rename `MetaItem::ident` to `MetaItem::path`Vadim Petrochenkov-1/+1
2019-03-16Remove rustc_driver testsbjorn3-3/+0
2019-03-10Drop expanded AST later if in save_analysis modeIgor Matuszewski-3/+8
2019-03-10Make the rustc driver and interface demand drivenJohn Kåre Alsaker-464/+265
2019-03-06Make `-Z treat-err-as-bug` take a number of errors to be emittedEsteban Küber-2/+2
`-Z treat-err-as-bug=0` will cause `rustc` to panic after the first error is reported. `-Z treat-err-as-bug=2` will cause `rustc` to panic after 3 errors have been reported.
2019-03-03Remove profiler output and replace with a raw event dumpWesley Wiser-6/+1
Related to #58372
2019-03-03Wrap the self-profiler in an `Arc<Mutex<>>`Wesley Wiser-0/+9
This will allow us to send it across threads and measure things like LLVM time.
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