r309036 - [StaticAnalyzer] LoopUnrolling - Attempt to fix a crash in r309006.

[Peter Szecsi via cfe-commits]

Author: szepet
Date: Tue Jul 25 14:54:58 2017
New Revision: 309036

URL: http://llvm.org/viewvc/llvm-project?rev=309036&view=rev
Log:
[StaticAnalyzer] LoopUnrolling - Attempt to fix a crash in r309006.


Modified:
    cfe/trunk/lib/StaticAnalyzer/Core/LoopUnrolling.cpp

Modified: cfe/trunk/lib/StaticAnalyzer/Core/LoopUnrolling.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Core/LoopUnrolling.cpp?rev=309036&r1=309035&r2=309036&view=diff
==============================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/LoopUnrolling.cpp (original)
+++ cfe/trunk/lib/StaticAnalyzer/Core/LoopUnrolling.cpp Tue Jul 25 14:54:58 2017
@@ -183,8 +183,10 @@ bool isUnrolledLoopBlock(const CFGBlock
     LBV.setBlocksOfLoop(E.first, M);
     // In case of an inlined function call check if any of its callSiteBlock is
     // marked.
-    while (SearchedBlock && BlockSet.find(SearchedBlock) == BlockSet.end()) {
+    while (BlockSet.find(SearchedBlock) == BlockSet.end() && !StackFrame->inTopFrame()) {
       SearchedBlock = StackFrame->getCallSiteBlock();
+      if(!SearchedBlock)
+        break;
       StackFrame = StackFrame->getParent()->getCurrentStackFrame();
     }
     delete M;