[PATCH] clang-cl: Map /EHs- to -fno-exceptions

Reid Kleckner rnk at google.com
Thu Jun 26 15:25:25 PDT 2014

Hi hans,

This isn't 100% compatible with MSVC, but it's close enough.  MSVC's /EH
flag doesn't really control exceptions so much as how to clean up after
an exception is thrown.  The upshot is that cl.exe /EHs- will compile
try, throw, and catch statements with a warning, but clang-cl will
reject such constructs with a hard error.  We can't compile such EH
constructs anyway, but this may matter to consumers of the AST.


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