[MinGW] Try to fix asan testing after r330244
authorMartin Storsjo <martin@martin.st>
Wed, 18 Apr 2018 17:34:29 +0000 (17:34 +0000)
committerMartin Storsjo <martin@martin.st>
Wed, 18 Apr 2018 17:34:29 +0000 (17:34 +0000)
commit3a83c5c9f7414220e66c6cd293716a7e13fd2c23
tree3ec35fc67cada00e1f6e9e6da86bff060f3c05c1
parent9de072f8ae8ee9075fb4ec7422b936a76ffa474e
[MinGW] Try to fix asan testing after r330244

Twines shouldn't be stored as they can refer to temporaries.

llvm-svn: 330277
clang/lib/Driver/ToolChains/MinGW.cpp