https://llvm.org/bugs/show_bug.cgi?id=25511
Bug ID: 25511
Summary: Clang3.6 compile error: definition of builtin
function, while gcc4.8 pass
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: derr...@ca.ibm.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
It seems Clang doesn't like the definition of the builtin, as followed.
File 1.cpp:
int __builtin_eh_return_data_regno(int i)
{
return 0;
}
int main()
{
return 0;
}
gcc compile, success:
$g++ -c 1.cpp -o test.o
clang compile, Failure:
clang++ -c 1.cpp -fno-builtin -o test.o
1.cpp:1:5: error: definition of builtin function
'__builtin_eh_return_data_regno'
int __builtin_eh_return_data_regno(int i)
^
1 error generated.
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