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Add an obvious missing safety check to DAE::RemoveDeadArgumentsFromCallers.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126720 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-03-01 00:33:47 +00:00
parent d3e768ecab
commit f291ab2fba
2 changed files with 14 additions and 1 deletions
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lib/Transforms/IPO/DeadArgumentElimination.cpp
+1 -1
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@@ -294,7 +294,7 @@ bool DAE::DeleteDeadVarargs(Function &Fn) {
/// instead.
bool DAE::RemoveDeadArgumentsFromCallers(Function &Fn)
{
if (Fn.isDeclaration())
if (Fn.isDeclaration() || Fn.mayBeOverridden())
return false;
// Functions with local linkage should already have been handled.