bpo-30104: Use -fno-strict-aliasing on clang#1221
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Python/dtoa.c is not compiled correctly with clang 4.0 and optimization level -O2 or higher, because of an aliasing issue on the double/ULong[2] union. LLVM bug report: https://bugs.llvm.org//show_bug.cgi?id=31928
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Python/dtoa.c is not compiled correctly with clang 4.0 and
optimization level -O2 or higher, because of an aliasing issue on
the double/ULong[2] union.
LLVM bug report:
https://bugs.llvm.org//show_bug.cgi?id=31928