https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110818
--- Comment #2 from CTC <19373742 at buaa dot edu.cn> --- (In reply to Andrew Pinski from comment #1) > The reduced testcase is undefined code .... > Though the original is most likely well defined valid code. I tried to add "-fsanitize=undefined" to make reduced testcase well defined. But the original testcase with "-fsanitize=undefined" can work successfully without run-time errors.
