thakis added inline comments.
================
Comment at: lib/Driver/ToolChains/MSVC.cpp:135
+ llvm::SmallString<256> TestPath = PathEntry;
+ while(!TestPath.empty()) {
TestPath = llvm::sys::path::parent_path(TestPath);
----------------
Having a while loop going up the directory tree stating around on every
compiler invocation for supporting a fairly narrow use case seems a bit
unfortunate. Maybe we could instead add a flag (or just a cc1 flag, even) to
override the check instead?
https://reviews.llvm.org/D36857
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