From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Thu, 18 Feb 2010 12:57:05 +0000 (+0000)
Subject: Avoid a dangling pointer dereference, PassManager::add can delete the Pass.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=3460f221cd9d3329aefb3f10a0f9d0800d8db70a;p=oota-llvm.git

Avoid a dangling pointer dereference, PassManager::add can delete the Pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96576 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 520018005f1..b123d54eeea 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -475,10 +475,11 @@ int main(int argc, char **argv) {
       errs() << argv[0] << ": cannot create pass: "
              << PassInf->getPassName() << "\n";
     if (P) {
+      PassKind Kind = P->getPassKind();
       addPass(Passes, P);
 
       if (AnalyzeOnly) {
-        switch (P->getPassKind()) {
+        switch (Kind) {
         case PT_BasicBlock:
           Passes.add(new BasicBlockPassPrinter(PassInf));
           break;