From 3f00ef9660e486f01e99d01961e64a50b38138ca Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 29 Sep 2002 22:50:22 +0000
Subject: [PATCH] Fix a problem that was caused by stale analyses being in
 CurrentAnalyses

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3981 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/PassManagerT.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/VMCore/PassManagerT.h b/lib/VMCore/PassManagerT.h
index 913a64f89ee..cf8624105da 100644
--- a/lib/VMCore/PassManagerT.h
+++ b/lib/VMCore/PassManagerT.h
@@ -292,6 +292,19 @@ public:
                                       (Annotable*)M);
         (*I)->releaseMemory();
       }
+
+      // Make sure to remove dead passes from the CurrentAnalyses list...
+      for (std::map<AnalysisID, Pass*>::iterator I = CurrentAnalyses.begin();
+           I != CurrentAnalyses.end(); ) {
+        std::vector<Pass*>::iterator DPI = std::find(DeadPass.begin(),
+                                                     DeadPass.end(), I->second);
+        if (DPI != DeadPass.end()) {    // This pass is dead now... remove it
+          std::map<AnalysisID, Pass*>::iterator IDead = I++;
+          CurrentAnalyses.erase(IDead);
+        } else {
+          ++I;  // Move on to the next element...
+        }
+      }
     }
     return MadeChanges;
   }
-- 
2.34.1