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Rollup merge of #61423 - davidtwco:correct-symbol-mangling, r=eddyb

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codegen: change `$6d$` to `$u6d$`

This changes a mistake introduced in #61195 where the mangling
workaround used was incorrect, resolving [this comment](https://github.com/rust-lang/rust/pull/61195#discussion_r289597707) from @eddyb.

r? @eddyb
This commit is contained in:
Mazdak Farrokhzad
2019-06-02 15:23:47 +02:00
committed by GitHub
parent c748c7b3fe e71f4665f6
commit 5599985caa
3 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/librustc_codegen_utils/symbol_names/legacy.rs
+1 -1
View File
@@ -440,7 +440,7 @@ fn write_str(&mut self, s: &str) -> fmt::Result {
'-' | ':' => self.path.temp_buf.push('.'),
// Avoid crashing LLVM in certain (LTO-related) situations, see #60925.
'm' if self.path.temp_buf.ends_with(".llv") => self.path.temp_buf.push_str("$6d$"),
'm' if self.path.temp_buf.ends_with(".llv") => self.path.temp_buf.push_str("$u6d$"),
// These are legal symbols
'a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '.' | '$' => self.path.temp_buf.push(c),
src/test/ui/symbol-names/issue-60925.legacy.stderr
+3 -3
View File
@@ -1,16 +1,16 @@
error: symbol-name(_ZN11issue_609253foo36Foo$LT$issue_60925..llv$6d$..Foo$GT$3foo17h059a991a004536adE)
error: symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17h059a991a004536adE)
--> $DIR/issue-60925.rs:21:9
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling(issue_60925::foo::Foo<issue_60925::llv$6d$..Foo$GT$::foo::h059a991a004536ad)
error: demangling(issue_60925::foo::Foo<issue_60925::llv$u6d$..Foo$GT$::foo::h059a991a004536ad)
--> $DIR/issue-60925.rs:21:9
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling-alt(issue_60925::foo::Foo<issue_60925::llv$6d$..Foo$GT$::foo)
error: demangling-alt(issue_60925::foo::Foo<issue_60925::llv$u6d$..Foo$GT$::foo)
--> $DIR/issue-60925.rs:21:9
|
LL | #[rustc_symbol_name]
src/test/ui/symbol-names/issue-60925.rs
+3 -3
View File
@@ -19,9 +19,9 @@ mod foo {
impl Foo<::llvm::Foo> {
#[rustc_symbol_name]
//[legacy]~^ ERROR symbol-name(_ZN11issue_609253foo36Foo$LT$issue_60925..llv$6d$..Foo$GT$3foo
//[legacy]~| ERROR demangling(issue_60925::foo::Foo<issue_60925::llv$6d$..Foo$GT$::foo
//[legacy]~| ERROR demangling-alt(issue_60925::foo::Foo<issue_60925::llv$6d$..Foo$GT$::foo)
//[legacy]~^ ERROR symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo
//[legacy]~| ERROR demangling(issue_60925::foo::Foo<issue_60925::llv$u6d$..Foo$GT$::foo
//[legacy]~| ERROR demangling-alt(issue_60925::foo::Foo<issue_60925::llv$u6d$..Foo$GT$::foo)
//[v0]~^^^^ ERROR symbol-name(_RNvMNtCs4fqI2P2rA04_11issue_609253fooINtB2_3FooNtNtB4_4llvm3FooE3foo)
//[v0]~| ERROR demangling(<issue_60925[317d481089b8c8fe]::foo::Foo<issue_60925[317d481089b8c8fe]::llvm::Foo>>::foo)
//[v0]~| ERROR demangling-alt(<issue_60925::foo::Foo<issue_60925::llvm::Foo>>::foo)