Jonas Hahnfeld e59746f8f8 [Support] Treat truncation of fullpath as error ...

If the concatenation of arguments dir and bin has at least PATH_MAX
characters the call to snprintf will truncate. The result will usually
not exist, but if it does it's actually incorrect to return that the
path exists.
(Motivated by GCC compiler warning about format truncation.)

Differential Revision: https://reviews.llvm.org/D58835

llvm-svn: 356036

2019-03-13 10:37:56 +00:00

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