commit 41ebd513c28effe41f01a515324c54ccb1fdc5a0
author David Greene <greened@obbligato.org> Mon Dec 17 17:39:51 2007 +0000
committer David Greene <greened@obbligato.org> Mon Dec 17 17:39:51 2007 +0000
tree 83c5bd1f2f66ad9c6d75e3db9a9fa14724549279
parent ab4439e9afdce74c410e50d5ef3cdd01173e43b6

Fix GLIBCXX_DEBUG errors.  Erase invalidates std::vector iterators
passed the erased element.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45099 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/DCE.cpp

diff --git a/lib/Transforms/Scalar/DCE.cpp b/lib/Transforms/Scalar/DCE.cpp
index 163c2b0..9cad236 100644
--- a/lib/Transforms/Scalar/DCE.cpp
+++ b/lib/Transforms/Scalar/DCE.cpp
@@ -109,11 +109,10 @@
       I->eraseFromParent();
 
       // Remove the instruction from the worklist if it still exists in it.
-      for (std::vector<Instruction*>::iterator WI = WorkList.begin(),
-             E = WorkList.end(); WI != E; ++WI)
+      for (std::vector<Instruction*>::iterator WI = WorkList.begin();
+           WI != WorkList.end(); ++WI)
         if (*WI == I) {
-          WorkList.erase(WI);
-          --E;
+          WI = WorkList.erase(WI);
           --WI;
         }