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authorChris Lattner <sabre@nondot.org>2011-04-09 05:51:34 +0000
committerChris Lattner <sabre@nondot.org>2011-04-09 05:51:34 +0000
commitc9049a9ea8993e64b58c206fed6609a1415519f2 (patch)
tree50d6b1ae5ab073afdba47ab43e753f578dc02554 /include/llvm/Analysis/AliasSetTracker.h
parentf4afdfc501b7185d24a0ef184fe3d0c0bbe22e0c (diff)
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fix a potentially serious bug in AliasSet::removeCallSite
where we shrunk the list without updating the end iterator. By inspection, from PR9639. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129190 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Analysis/AliasSetTracker.h')
-rw-r--r--include/llvm/Analysis/AliasSetTracker.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/llvm/Analysis/AliasSetTracker.h b/include/llvm/Analysis/AliasSetTracker.h
index e844d10dda..4efa3963b6 100644
--- a/include/llvm/Analysis/AliasSetTracker.h
+++ b/include/llvm/Analysis/AliasSetTracker.h
@@ -259,6 +259,7 @@ private:
if (CallSites[i] == CS.getInstruction()) {
CallSites[i] = CallSites.back();
CallSites.pop_back();
+ --i; --e; // Revisit the moved entry.
}
}
void setVolatile() { Volatile = true; }