[Bug c/122865] ICE in c_type_tag, at c/c-typeck.cc (dereference va_list)

[uecker at tugraz dot at via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122865

Martin Uecker <uecker at tugraz dot at> changed:

           What    |Removed                     |Added
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                 CC|                            |uecker at tugraz dot at

--- Comment #1 from Martin Uecker <uecker at tugraz dot at> ---

Reduced:

#include <stdarg.h>
#include <stdio.h>

typedef struct {
    int x;
} X;

int h(va_list ap)
{
    __builtin_types_compatible_p(X, typeof(*ap));    
    return 0;
}