[llvm-commits] [llvm] r40897 - /llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp

[David Greene]

Author: greened
Date: Tue Aug  7 11:44:38 2007
New Revision: 40897

URL: http://llvm.org/viewvc/llvm-project?rev=40897&view=rev
Log:

Fix GLIBCXX_DEBUG error triggered by incrementing erased iterator.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp
URL: 
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp?rev=40897&r1=40896&r2=40897&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp Tue Aug  7 11:44:38 2007
@@ -777,8 +777,8 @@
       if (LBBI != DF->end()) {
         DominanceFrontier::DomSetType &LBSet = LBBI->second;
         for (DominanceFrontier::DomSetType::iterator LI = LBSet.begin(),
-               LE = LBSet.end(); LI != LE; ++LI) {
-          BasicBlock *B = *LI;
+               LE = LBSet.end(); LI != LE; /* NULL */) {
+          BasicBlock *B = *LI++;
           if (OutSiders.count(B))
             DF->removeFromFrontier(LBBI, B);
         }
@@ -789,8 +789,8 @@
       if (NBBI != DF->end()) {
         DominanceFrontier::DomSetType NBSet = NBBI->second;
         for (DominanceFrontier::DomSetType::iterator NI = NBSet.begin(),
-               NE = NBSet.end(); NI != NE; ++NI) {
-          BasicBlock *B = *NI;
+               NE = NBSet.end(); NI != NE; /* NULL */) {
+          BasicBlock *B = *NI++;
           if (OutSiders.count(B))
             DF->removeFromFrontier(NBBI, B);
         }


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