[llvm-commits] [llvm-gcc-4.2] r45844 - /llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

[Dale Johannesen]

Author: johannes
Date: Thu Jan 10 17:38:45 2008
New Revision: 45844

URL: http://llvm.org/viewvc/llvm-project?rev=45844&view=rev
Log:
Prevent crashes on erroneous input.


Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp?rev=45844&r1=45843&r2=45844&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Thu Jan 10 17:38:45 2008
@@ -800,6 +800,11 @@
 
 /// reset_initializer_llvm - Change the initializer for a global variable.
 void reset_initializer_llvm(tree decl) {
+  // If there were earlier errors we can get here when DECL_LLVM has not
+  // been set.  Don't crash.
+  if ((errorcount || sorrycount) && !DECL_LLVM(decl))
+    return;
+
   // Get or create the global variable now.
   GlobalVariable *GV = cast<GlobalVariable>(DECL_LLVM(decl));