https://llvm.org/bugs/show_bug.cgi?id=23923
Bug ID: 23923
Summary: "redefine_extname" pragma handled incorrectly in case
of a local var with the same name
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
This bug report captures what Richard Smith wrote in a code review message
(http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20150608/130447.html):
> We should also filter out internal-linkage declarations and non-TU-scope
> declarations when we perform the deferred handling of
> `ExtnameUndeclaredIdentifiers` in `ActOnVariableDeclarator` and
> `ActOnFunctionDeclarator`.
...
> Here's a trivial testcase (it's easy to cook up more, the
bug is quite blatant):
>
> #pragma redefine_extname foo bar
> int f() {
> int foo = 0;
> return foo;
> }
> int foo() { return 1; }
>
> The redefine_extname gets applied to the local variable 'foo', and the
> global function 'foo' does not get renamed.
Yours,
Andrey Bokhanko
===============
Software Engineer
Intel Compiler Team
Intel
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