https://bugs.llvm.org/show_bug.cgi?id=33831
Bug ID: 33831
Summary: cfi-icall + ThinLTO program containing indirect call
to inline function fails to link
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Interprocedural Optimizations
Assignee: unassignedb...@nondot.org
Reporter: pe...@pcc.me.uk
CC: llvm-bugs@lists.llvm.org
$ cat icall.cpp
inline void f() {}
void g(void (*p)()) {
p();
}
int main() {
g(f);
}
$ clang++ icall.cpp -fsanitize=cfi-icall -flto=thin -fuse-ld=lld -O2
ld.lld: error: undefined symbol: f() (.cfi)
>>> referenced by ld-temp.o
>>> lto.tmp:(f())
clang-5.0: error: linker command failed with exit code 1 (use -v to see
invocation)
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