https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66424
--- Comment #6 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- On Fri, 5 Jun 2015, su at cs dot ucdavis.edu wrote: > Since int and long long are incompatible, thus the test case's behavior is > undefined. Correct? Yes. Such cases have never been intended or expected to work with GCC.