r223547 - Additional safety for the root cause of regression in r223443; make the module

[Richard Smith]

Author: rsmith
Date: Fri Dec  5 18:09:19 2014
New Revision: 223547

URL: http://llvm.org/viewvc/llvm-project?rev=223547&view=rev
Log:
Additional safety for the root cause of regression in r223443; make the module
map path more canonical before hashing it. No functionality change.

Modified:
    cfe/trunk/lib/Lex/HeaderSearch.cpp

Modified: cfe/trunk/lib/Lex/HeaderSearch.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/HeaderSearch.cpp?rev=223547&r1=223546&r2=223547&view=diff
==============================================================================
--- cfe/trunk/lib/Lex/HeaderSearch.cpp (original)
+++ cfe/trunk/lib/Lex/HeaderSearch.cpp Fri Dec  5 18:09:19 2014
@@ -137,6 +137,7 @@ std::string HeaderSearch::getModuleFileN
     // error if they are imported in the same translation.
     SmallString<256> AbsModuleMapPath(ModuleMapPath);
     llvm::sys::fs::make_absolute(AbsModuleMapPath);
+    llvm::sys::path::native(AbsModuleMapPath);
     llvm::APInt Code(64, llvm::hash_value(AbsModuleMapPath.str().lower()));
     SmallString<128> HashStr;
     Code.toStringUnsigned(HashStr, /*Radix*/36);