[cfe-commits] r163958 - /cfe/trunk/lib/Frontend/ASTUnit.cpp

[Argyrios Kyrtzidis]

Author: akirtzidis
Date: Fri Sep 14 20:10:20 2012
New Revision: 163958

URL: http://llvm.org/viewvc/llvm-project?rev=163958&view=rev
Log:
Allow disabling PCH validation when loading an AST file by checking
an environment variable for debugging purposes.

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

Modified: cfe/trunk/lib/Frontend/ASTUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/ASTUnit.cpp?rev=163958&r1=163957&r2=163958&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/ASTUnit.cpp (original)
+++ cfe/trunk/lib/Frontend/ASTUnit.cpp Fri Sep 14 20:10:20 2012
@@ -772,9 +772,12 @@
                             /*DelayInitialization=*/true);
   ASTContext &Context = *AST->Ctx;
 
+  bool disableValid = false;
+  if (::getenv("LIBCLANG_DISABLE_PCH_VALIDATION"))
+    disableValid = true;
   Reader.reset(new ASTReader(PP, Context,
                              /*isysroot=*/"",
-                             /*DisableValidation=*/false,
+                             /*DisableValidation=*/disableValid,
                              /*DisableStatCache=*/false,
                              AllowPCHWithCompilerErrors));