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bors 619d19c318 Auto merge of #83941 - wesleywiser:win_dbginfo_closures, r=nagisa 
Improve debuginfo for closures and async functions on Windows MSVC

The issue was that the resulting debuginfo was too complex for LLVM to
translate into CodeView records correctly. As a result, it simply
ignored the debuginfo which meant Windows debuggers could not display
any closed over variables when stepping inside a closure or async fn.

This fixes that by creating additional allocas on the stack so that
the resulting debuginfo is simple (just `*my_variable.dbg.spill`) and
LLVM can generate the correct CV records.

I also updated some of our existing tests to run in CDB to cover this case.

Before (closure):

![image](https://user-images.githubusercontent.com/831192/113756857-e6dc4200-96df-11eb-8d6d-b7ed7a84aad5.png)

After (closure):

![image](https://user-images.githubusercontent.com/831192/113757067-2e62ce00-96e0-11eb-89f7-7dc8ab89b1b8.png)

Before (async):

![image](https://user-images.githubusercontent.com/831192/114077916-4e2bfa80-9876-11eb-9f15-e302d1faa652.png)

After (async):

![image](https://user-images.githubusercontent.com/831192/114077677-0d33e600-9876-11eb-8ce3-cac20a9ea94a.png)

Fixes #83709
2021-04-08 23:09:06 +00:00
..
rustc
use jemallocator in rustc/rustdoc
2021-04-04 14:10:26 -07:00
rustc_apfloat
Use iter::zip in compiler/
2021-03-26 09:32:31 -07:00
rustc_arena
Remove (lots of) dead code
2021-03-27 22:16:33 -04:00
rustc_ast
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_ast_lowering
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_ast_passes
rustc: Add a new wasm ABI
2021-04-08 08:03:18 -07:00
rustc_ast_pretty
Use AnonConst for asm! constants
2021-04-06 12:35:41 +01:00
rustc_attr
Allow specifying alignment for functions
2021-04-05 17:36:51 -04:00
rustc_builtin_macros
Rollup merge of #83916 - Amanieu:asm_anonconst, r=petrochenkov
2021-04-07 13:07:14 +02:00
rustc_codegen_cranelift
Fix outdated crate names in compiler docs
2021-04-08 11:12:14 -05:00
rustc_codegen_llvm
rustc: Add a new wasm ABI
2021-04-08 08:03:18 -07:00
rustc_codegen_ssa
Fix closed over variables not available in debuginfo for Windows MSVC
2021-04-08 14:08:56 -04:00
rustc_data_structures
Fix outdated crate names in compiler docs
2021-04-08 11:12:14 -05:00
rustc_driver
Rollup merge of #83895 - eggyal:issue-83883, r=jyn514
2021-04-06 17:42:31 +02:00
rustc_error_codes
Bump cfgs
2021-04-04 14:57:05 -04:00
rustc_errors
Document compiler/ with -Aprivate-intra-doc-links
2021-04-05 08:38:09 -04:00
rustc_expand
Rollup merge of #83816 - JohnTitor:unused-doc-comments-on-macros, r=varkor
2021-04-07 13:07:12 +02:00
rustc_feature
Auto merge of #84008 - Dylan-DPC:rollup-invxvg8, r=Dylan-DPC
2021-04-08 19:38:54 +00:00
rustc_fs_util
Optimize away a fs::metadata call.
2021-01-06 08:33:15 -08:00
rustc_graphviz
Remove (lots of) dead code
2021-03-27 22:16:33 -04:00
rustc_hir
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_hir_pretty
Use AnonConst for asm! constants
2021-04-06 12:35:41 +01:00
rustc_incremental
Also profile finishing the encoding.
2021-03-30 18:10:08 +02:00
rustc_index
Add fixme comment to revert change once const_panic is stable
2021-04-03 13:07:03 +02:00
rustc_infer
Fix outdated crate names in compiler docs
2021-04-08 11:12:14 -05:00
rustc_interface
Fix outdated crate names in rustc_interface::callbacks
2021-04-07 11:45:27 -05:00
rustc_lexer
Fix outdated crate names in compiler docs
2021-04-08 11:12:14 -05:00
rustc_lint
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_lint_defs
Fix rustc_lint_defs documentation typo
2021-04-03 12:00:28 -03:00
rustc_llvm
Manually set dso_local when its valid to do so
2021-04-03 00:00:29 +03:00
rustc_macros
Use iter::zip in compiler/
2021-03-26 09:32:31 -07:00
rustc_metadata
Rollup merge of #83820 - petrochenkov:nolinkargs, r=nagisa
2021-04-05 00:24:33 +02:00
rustc_middle
Auto merge of #84008 - Dylan-DPC:rollup-invxvg8, r=Dylan-DPC
2021-04-08 19:38:54 +00:00
rustc_mir
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_mir_build
rustc: Add a new wasm ABI
2021-04-08 08:03:18 -07:00
rustc_parse
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_parse_format
Rollup merge of #83348 - osa1:issue83344, r=jackh726
2021-03-28 01:33:13 +09:00
rustc_passes
Rollup merge of #83916 - Amanieu:asm_anonconst, r=petrochenkov
2021-04-07 13:07:14 +02:00
rustc_plugin_impl
Remove hir::Item::attrs.
2021-03-09 19:27:50 +01:00
rustc_privacy
Update with comments
2021-03-23 17:16:20 +00:00
rustc_query_impl
Auto merge of #83207 - oli-obk:valtree2, r=lcnr
2021-04-02 10:28:12 +00:00
rustc_query_system
Fix outdated crate names in compiler docs
2021-04-08 11:12:14 -05:00
rustc_resolve
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_save_analysis
Remove hir::CrateItem.
2021-03-30 20:31:06 +02:00
rustc_serialize
Auto merge of #83465 - michaelwoerister:safe-read_raw_bytes, r=cjgillot
2021-03-26 01:28:59 +00:00
rustc_session
Remove the insta-stable cfg(wasm)
2021-04-07 23:09:56 +03:00
rustc_span
rustc: Add a new wasm ABI
2021-04-08 08:03:18 -07:00
rustc_symbol_mangling
Rollup merge of #80525 - devsnek:wasm64, r=nagisa
2021-04-05 00:24:23 +02:00
rustc_target
Auto merge of #84008 - Dylan-DPC:rollup-invxvg8, r=Dylan-DPC
2021-04-08 19:38:54 +00:00
rustc_trait_selection
Rollup merge of #83980 - pierwill:fix-compiler-librustc-names, r=davidtwco
2021-04-08 20:29:58 +02:00
rustc_traits
Auto merge of #83207 - oli-obk:valtree2, r=lcnr
2021-04-02 10:28:12 +00:00
rustc_ty_utils
Track bound vars
2021-03-31 10:15:27 -04:00
rustc_type_ir
Remove nightly features in rustc_type_ir
2021-04-03 10:00:09 +02:00
rustc_typeck
Rollup merge of #83952 - estebank:issue-83943, r=petrochenkov
2021-04-08 01:01:45 +02:00