This patch changes a test case that tests for overflow when time_t is 32-bit long, however, it was checking size_t instead of time_t. This in on par with other testcases that correctly check the size of time_t (asctime_test.cpp, gmtime_r_test.cpp and gmtime_test.cpp). Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D159113