This reverts commit r236423 and its followup r236533, as indiscriminate quoting makes for too much quoting (and clang doesn't like both '"-c"' and -D"FOO=bar"). llvm-svn: 236562
This reverts commit r236423 and its followup r236533, as indiscriminate quoting makes for too much quoting (and clang doesn't like both '"-c"' and -D"FOO=bar"). llvm-svn: 236562