https://bugs.llvm.org/show_bug.cgi?id=41455
Bug ID: 41455
Summary: clang crashes on c++17 class template deduction
argument types of function pointers
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++'17
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Any attempt to deduce the arguments of a function pointer with C++17 class
template deduction results in clang crashing.
The same code works on clang 6.0.0, but no longer works on clang 7.0.0, 8.0.0,
and current trunk.
The following complier explorer link reproduces the crash
https://godbolt.org/z/SKT-Fh
----- .cpp file -------
template<typename... arg_types>
struct wrapper
{
wrapper(void (*f)(arg_types...));
};
void f(int a);
void g()
{
auto w = wrapper(f);
}
-----------------------
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