[cfe-commits] r107061 - /cfe/trunk/lib/Frontend/InitPreprocessor.cpp

[Ted Kremenek]

Author: kremenek
Date: Mon Jun 28 15:32:40 2010
New Revision: 107061

URL: http://llvm.org/viewvc/llvm-project?rev=107061&view=rev
Log:
Don't crash in InitializePreprocessor() when there is no valid PTHManager.  Fixes <rdar://problem/8098441>.

Modified:
    cfe/trunk/lib/Frontend/InitPreprocessor.cpp

Modified: cfe/trunk/lib/Frontend/InitPreprocessor.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/InitPreprocessor.cpp?rev=107061&r1=107060&r2=107061&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/InitPreprocessor.cpp (original)
+++ cfe/trunk/lib/Frontend/InitPreprocessor.cpp Mon Jun 28 15:32:40 2010
@@ -84,7 +84,8 @@
                                   llvm::StringRef ImplicitIncludePTH) {
   PTHManager *P = PP.getPTHManager();
   assert(P && "No PTHManager.");
-  const char *OriginalFile = P->getOriginalSourceFile();
+  // Null check 'P' in the corner case where it couldn't be created.
+  const char *OriginalFile = P ? P->getOriginalSourceFile() : 0;
 
   if (!OriginalFile) {
     PP.getDiagnostics().Report(diag::err_fe_pth_file_has_no_source_header)