http://llvm.org/bugs/show_bug.cgi?id=4134
Summary: clang: __builtin_extract_return_addr not implemented
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Blocks: 4068
Testcase:
unsigned long foo(unsigned long addr)
{
return (unsigned long) __builtin_extract_return_addr((void*)addr);
}
int main()
{}
$ clang foo.c
tmp/cc-y3kFrH.o: In function `foo':
x.c:(.text+0x1b): undefined reference to `__builtin_extract_return_addr'
collect2: ld returned 1 exit status
$ gcc foo.c
$
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