Fix crash when running with multiple source files. This can be improved.

llvm-svn: 52032

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/Driver/clang.cpp b/clang/Driver/clang.cpp
index df41e54b32d..5eec67ca879 100644
--- a/clang/Driver/clang.cpp
+++ b/clang/Driver/clang.cpp
@@ -1480,6 +1480,12 @@ int main(int argc, char **argv) {
       // Process the -I options and set them in the HeaderInfo.
       HeaderSearch HeaderInfo(FileMgr);
       if (TextDiagClient) TextDiagClient->setHeaderSearch(HeaderInfo);
+      
+      // FIXME: Sink IncludeGroup into this loop.
+      IncludeGroup[0].clear();
+      IncludeGroup[1].clear();
+      IncludeGroup[2].clear();
+      IncludeGroup[3].clear();
       InitializeIncludePaths(argv[0], HeaderInfo, FileMgr, LangInfo);
       
       // Set up the preprocessor with these options.