[driver] Pass a resource dir without the '/../' part.
This get the resource dir string to match with the one from libclang (which is not adding '/../'),
and allows clang to accept a modules-enabled PCH that was created by libclang.
llvm-svn: 296262
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index b8ae7e4..6defb20 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -79,7 +79,8 @@
llvm::sys::path::append(P, ClangResourceDir);
} else {
StringRef ClangLibdirSuffix(CLANG_LIBDIR_SUFFIX);
- llvm::sys::path::append(P, "..", Twine("lib") + ClangLibdirSuffix, "clang",
+ P = llvm::sys::path::parent_path(Dir);
+ llvm::sys::path::append(P, Twine("lib") + ClangLibdirSuffix, "clang",
CLANG_VERSION_STRING);
}
ResourceDir = P.str();