[cfe-dev] overloadable + C string literal looks like a bug, seeking confirmation

[Jon Chesterfield via cfe-dev]

Just opened https://bugs.llvm.org/show_bug.cgi?id=49978 with the default CC
as I'm not sure who does C front end stuff. Seeking confirmation that this
is considered a bug by other people.

__attribute__((overloadable) void func(char *);
__attribute__((overloadable) void func(const char *);
void call(void)
{
  func("ambiguous");
}

I think "ambiguous" should decay to a char* and pick the char* overload.
Something of an edge case because "literals" have different types between C
and C++, and overloadable is an extension anyway.

Thanks
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