[clang] ada22c8 - Fix "pointer is null" static analyzer warning. NFCI.

[Simon Pilgrim via cfe-commits]

Author: Simon Pilgrim
Date: 2020-01-12T21:48:00Z
New Revision: ada22c804cd956f3ee7cc9dc82e6d54ead8a4ffe

URL: https://github.com/llvm/llvm-project/commit/ada22c804cd956f3ee7cc9dc82e6d54ead8a4ffe
DIFF: https://github.com/llvm/llvm-project/commit/ada22c804cd956f3ee7cc9dc82e6d54ead8a4ffe.diff

LOG: Fix "pointer is null" static analyzer warning. NFCI.

Added: 
    

Modified: 
    clang/include/clang/Basic/SourceManager.h

Removed: 
    


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diff  --git a/clang/include/clang/Basic/SourceManager.h b/clang/include/clang/Basic/SourceManager.h
index ec1b0bcf9897..d87e9ac810fa 100644
--- a/clang/include/clang/Basic/SourceManager.h
+++ b/clang/include/clang/Basic/SourceManager.h
@@ -831,6 +831,7 @@ class SourceManager : public RefCountedBase<SourceManager> {
   FileID createFileID(const FileEntry *SourceFile, SourceLocation IncludePos,
                       SrcMgr::CharacteristicKind FileCharacter,
                       int LoadedID = 0, unsigned LoadedOffset = 0) {
+    assert(SourceFile && "Null source file!");
     const SrcMgr::ContentCache *IR =
         getOrCreateContentCache(SourceFile, isSystem(FileCharacter));
     assert(IR && "getOrCreateContentCache() cannot return NULL");