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56074b5231
rust/compiler
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Amanieu d'Antras 56074b5231 Rewrite implementation of #[alloc_error_handler] 
The new implementation doesn't use weak lang items and instead changes
`#[alloc_error_handler]` to an attribute macro just like
`#[global_allocator]`.

The attribute will generate the `__rg_oom` function which is called by
the compiler-generated `__rust_alloc_error_handler`. If no `__rg_oom`
function is defined in any crate then the compiler shim will call
`__rdl_oom` in the alloc crate which will simply panic.

This also fixes link errors with `-C link-dead-code` with
`default_alloc_error_handler`: `__rg_oom` was previously defined in the
alloc crate and would attempt to reference the `oom` lang item, even if
it didn't exist. This worked as long as `__rg_oom` was excluded from
linking since it was not called.

This is a prerequisite for the stabilization of
`default_alloc_error_handler` (#102318).
2022-10-31 16:32:57 +00:00
..
rustc rustc: Use unix_sigpipe instead of rustc_driver::set_sigpipe_handler 2022-10-02 17:49:36 +02:00
rustc_apfloat
rustc_arena
rustc_ast remove unused parser fn 2022-10-26 19:19:44 +00:00
rustc_ast_lowering Rollup merge of #93582 - WaffleLapkin:rpitirpit, r=compiler-errors 2022-10-30 11:50:26 +05:30
rustc_ast_passes Rollup merge of #95710 - fee1-dead-contrib:stabilize_arbitrary_enum_discriminant, r=joshtriplett 2022-10-26 17:32:53 +05:30
rustc_ast_pretty Rename AssocItemKind::TyAlias to AssocItemKind::Type 2022-10-10 02:31:37 +00:00
rustc_attr Migrate all diagnostics 2022-10-23 10:09:44 +02:00
rustc_borrowck Rollup merge of #103625 - WaffleLapkin:no_tyctxt_dogs_allowed, r=compiler-errors 2022-10-29 14:18:03 +02:00
rustc_builtin_macros Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_codegen_cranelift Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_codegen_gcc Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_codegen_llvm Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_codegen_ssa Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_const_eval Rollup merge of #103603 - camsteffen:refactor-lang, r=oli-obk 2022-10-31 14:52:56 +05:30
rustc_data_structures Introduce UnordMap, UnordSet, and UnordBag (see MCP 533) 2022-10-27 13:23:26 +00:00
rustc_driver Remove rustc_driver::set_sigpipe_handler() 2022-10-25 19:13:23 +02:00
rustc_error_codes Update E0382.md 2022-10-31 00:41:12 -04:00
rustc_error_messages Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_errors Allow specifying multiple alternative suggestions 2022-10-23 18:59:13 +02:00
rustc_expand Rollup merge of #103544 - Nilstrieb:no-recovery-pls, r=compiler-errors 2022-10-27 15:03:58 +02:00
rustc_feature Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_fs_util
rustc_graphviz
rustc_hir Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_hir_analysis Rollup merge of #103603 - camsteffen:refactor-lang, r=oli-obk 2022-10-31 14:52:56 +05:30
rustc_hir_pretty pretty: fix to print some lifetimes on HIR pretty-print 2022-10-15 23:34:21 +09:00
rustc_hir_typeck Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_incremental Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_index Remove from compiler/ crates 2022-09-29 16:49:04 +09:00
rustc_infer Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_interface Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_lexer rustc_lexer::TokenKind improve docs 2022-10-26 23:32:14 +02:00
rustc_lint Rollup merge of #103338 - l4l:enum-unreachable-pub, r=nagisa 2022-10-31 14:52:55 +05:30
rustc_lint_defs Rollup merge of #102635 - lcnr:incoherent_auto_trait_objects, r=jackh726 2022-10-22 00:13:59 +02:00
rustc_llvm llvm-16: Don't initialize removed legacy passes 2022-10-25 15:03:21 -07:00
rustc_log
rustc_macros Allow specifying multiple alternative suggestions 2022-10-23 18:59:13 +02:00
rustc_metadata Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_middle Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_mir_build Rollup merge of #103726 - TaKO8Ki:avoid-&str-to-string-conversions, r=compiler-errors 2022-10-30 00:09:26 +02:00
rustc_mir_dataflow Migrate all diagnostics 2022-10-23 10:09:44 +02:00
rustc_mir_transform Rollup merge of #101428 - JakobDegen:build-tests, r=oli-obk 2022-10-30 19:31:37 -07:00
rustc_monomorphize Use tcx.require_lang_item 2022-10-29 16:09:15 -05:00
rustc_parse Rollup merge of #103544 - Nilstrieb:no-recovery-pls, r=compiler-errors 2022-10-27 15:03:58 +02:00
rustc_parse_format Detect and reject out-of-range integers in format string literals 2022-10-01 01:05:01 +02:00
rustc_passes Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_plugin_impl Migrate all diagnostics 2022-10-23 10:09:44 +02:00
rustc_privacy Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_query_impl Introduce UnordMap, UnordSet, and UnordBag (see MCP 533) 2022-10-27 13:23:26 +00:00
rustc_query_system Migrate all diagnostics 2022-10-23 10:09:44 +02:00
rustc_resolve Rollup merge of #103560 - zbyrn:issue-103358-fix, r=cjgillot 2022-10-30 11:50:26 +05:30
rustc_save_analysis Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_serialize remove cfg(bootstrap) 2022-09-26 10:14:45 +02:00
rustc_session Introduce dedicated -Zdylib-lto flag for enabling LTO on dylibs 2022-10-23 13:48:03 +02:00
rustc_smir Only keep one version of ImplicitSelfKind. 2022-09-13 19:18:23 +02:00
rustc_span Rollup merge of #97971 - Soveu:varargs, r=jackh726 2022-10-30 19:31:36 -07:00
rustc_symbol_mangling Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_target Rollup merge of #102689 - ayrtonm:master, r=cjgillot 2022-10-30 19:31:38 -07:00
rustc_trait_selection Rollup merge of #103603 - camsteffen:refactor-lang, r=oli-obk 2022-10-31 14:52:56 +05:30
rustc_traits rm try_normalize_mir_const_after_erasing_regions 2022-10-17 10:54:03 +02:00
rustc_transmute Remove TypeckResults from InferCtxt 2022-10-07 07:06:19 -05:00
rustc_ty_utils Rollup merge of #103625 - WaffleLapkin:no_tyctxt_dogs_allowed, r=compiler-errors 2022-10-29 14:18:03 +02:00
rustc_type_ir Deny const variables as well 2022-10-19 17:11:40 +00:00