Hello reviewers The attached patch implements the -fno-short-wchar option for clang.
I have followed the model for -fshort-wchar by only adding it to the cc1 line if it is actually asked for, and leaving the default to sort itself out. Testing added to show that it generates the right compiler defines when put down. This only checks __SIZEOF_WCHAR_T and __WCHAR_T_WIDTH as the other two are different depending on whether the default is signed or unsigned. There is also a new test to make sure they turn each other off. Please review Thanks Rich Richard Barton Staff Engineer - LLVM ARM Ltd, Cambridge
LLVM-1231-fno-short-wchar.patch
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