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Silence C4709 in MSVC because it is buggy.

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The diagnostic will trigger on code that does not have any comma operator, but instead default-constructs an object with an explicitly defaulted constructor as the array index argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@347345 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Aaron Ballman 2018-11-20 20:50:04 +00:00
parent 6159adfadc
commit 2bb2152d87
1 changed files with 4 additions and 0 deletions
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4
cmake/modules/HandleLLVMOptions.cmake
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@ -513,6 +513,10 @@ if (MSVC)
# Update 1. Re-evaluate the usefulness of this diagnostic with Update 2.
-wd4592 # Suppress ''var': symbol will be dynamically initialized (implementation limitation)
-wd4319 # Suppress ''operator' : zero extending 'type' to 'type' of greater size'
# C4709 is disabled because of a bug with Visual Studio 2017 as of
# v15.8.8. Re-evaluate the usefulness of this diagnostic when the bug
# is fixed.
-wd4709 # Suppress comma operator within array index expression
# Ideally, we'd like this warning to be enabled, but MSVC 2013 doesn't
# support the 'aligned' attribute in the way that clang sources requires (for