commit 29f98b40caabca1ec820d546c5c08206a1d4f520
author Argyrios Kyrtzidis <akyrtzi@gmail.com> Thu Mar 08 01:08:28 2012 +0000
committer Argyrios Kyrtzidis <akyrtzi@gmail.com> Thu Mar 08 01:08:28 2012 +0000
tree 10c91c82cf38413ef1dc02df4866fdbeaea2a1a9
parent d78ef5b941ce2937228b010e8443f92025f9d683

[libclang] Fix a crash when serializing a preprocessing record that contains
an #include entry that did not resolve to header file.

Part of rdar://11007039

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152275 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Serialization/ASTReader.cpp

diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 5684949..03f3e27 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -3447,9 +3447,10 @@
       
   case PPD_INCLUSION_DIRECTIVE: {
     const char *FullFileNameStart = BlobStart + Record[0];
-    const FileEntry *File
-      = PP.getFileManager().getFile(StringRef(FullFileNameStart,
-                                               BlobLen - Record[0]));
+    StringRef FullFileName(FullFileNameStart, BlobLen - Record[0]);
+    const FileEntry *File = 0;
+    if (!FullFileName.empty())
+      File = PP.getFileManager().getFile(FullFileName);
     
     // FIXME: Stable encoding
     InclusionDirective::InclusionKind Kind