r187329 - Avoid crashing if a directory has no pch files.

[Rafael Espindola]

Author: rafael
Date: Sun Jul 28 08:23:37 2013
New Revision: 187329

URL: http://llvm.org/viewvc/llvm-project?rev=187329&view=rev
Log:
Avoid crashing if a directory has no pch files.

Should fix some of the bots that have assertions disabled.

Modified:
    cfe/trunk/lib/Frontend/FrontendAction.cpp
    cfe/trunk/test/PCH/badpch.c

Modified: cfe/trunk/lib/Frontend/FrontendAction.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/FrontendAction.cpp?rev=187329&r1=187328&r2=187329&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/FrontendAction.cpp (original)
+++ cfe/trunk/lib/Frontend/FrontendAction.cpp Sun Jul 28 08:23:37 2013
@@ -455,6 +455,8 @@ bool FrontendAction::shouldEraseOutputFi
 
 void ASTFrontendAction::ExecuteAction() {
   CompilerInstance &CI = getCompilerInstance();
+  if (!CI.hasPreprocessor())
+    return;
 
   // FIXME: Move the truncation aspect of this into Sema, we delayed this till
   // here so the source manager would be initialized.

Modified: cfe/trunk/test/PCH/badpch.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/PCH/badpch.c?rev=187329&r1=187328&r2=187329&view=diff
==============================================================================
--- cfe/trunk/test/PCH/badpch.c (original)
+++ cfe/trunk/test/PCH/badpch.c Sun Jul 28 08:23:37 2013
@@ -1,5 +1,5 @@
 // RUN: not %clang_cc1 -fsyntax-only -include-pch %S/Inputs/badpch-empty.h.gch %s 2>&1 | FileCheck -check-prefix=CHECK-EMPTY %s
-// RUN: not --crash %clang_cc1 -fsyntax-only -include-pch %S/Inputs/badpch-dir.h.gch %s 2>&1 | FileCheck -check-prefix=CHECK-DIR %s
+// RUN: not %clang_cc1 -fsyntax-only -include-pch %S/Inputs/badpch-dir.h.gch %s 2>&1 | FileCheck -check-prefix=CHECK-DIR %s
 
 // The purpose of this test is to verify that various invalid PCH files are
 // reported as such.