Add assertions for out-of-fileid error case
llvm-svn: 39028
diff --git a/clang/Basic/SourceManager.cpp b/clang/Basic/SourceManager.cpp
index 1182af7..f00f2bd 100644
--- a/clang/Basic/SourceManager.cpp
+++ b/clang/Basic/SourceManager.cpp
@@ -93,6 +93,8 @@
unsigned FileSize = File->second.Buffer->getBufferSize();
if (FileSize+1 < (1 << SourceLocation::FilePosBits)) {
FileIDs.push_back(FileIDInfo::getNormalBuffer(IncludePos, 0, File));
+ assert(FileIDs.size() < (1 << SourceLocation::FileIDBits) &&
+ "Ran out of file ID's!");
return FileIDs.size();
}
@@ -107,6 +109,8 @@
FileSize -= (1 << SourceLocation::FilePosBits);
}
+ assert(FileIDs.size() < (1 << SourceLocation::FileIDBits) &&
+ "Ran out of file ID's!");
return Result;
}