https://bugs.llvm.org/show_bug.cgi?id=44107
Bug ID: 44107
Summary: class template argument deduction does not perform
pointer decay
Product: clang
Version: 9.0
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++17
Assignee: unassignedclangb...@nondot.org
Reporter: alisda...@me.com
CC: blitzrak...@gmail.com, erik.pilking...@gmail.com,
llvm-bugs@lists.llvm.org, richard-l...@metafoo.co.uk
This simple program shows the fail:
#include <utility>
void func() {}
int main() {
std::pair y{"hello", func};
}
'func' is deduced as a function type, not decayed to a function pointer type.
Similarly, the diagnostic message suggests that the string literal is deducing
as an array, rather than decaying to a pointer-to-element.
This same test compiles cleanly with gcc and Intel/EDG front ends in the online
compilers at Compiler Explorer:
https://godbolt.org/z/dP38XN
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