1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr24231-3.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr24231-3.C
new file mode 100644
index 000000000..a9ea58b11
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr24231-3.C
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* PRE testcase for PR 24231, problem with PRE coalescing abnormal phis.  */
+struct MemoryManager {
+      virtual void deallocate() = 0;
+};
+struct XalanVector {
+      ~XalanVector()   {
+	      m_memoryManager->deallocate();
+	        }
+        void swap(XalanVector& theOther)   {
+	        MemoryManager* const theTempManager = m_memoryManager;
+		    m_memoryManager = theOther.m_memoryManager;
+		        theOther.m_memoryManager = theTempManager;
+			    theOther.m_size = 0;
+			      }
+	  void push_back()   {
+	          XalanVector theTemp(*this);
+		      theTemp.push_back();
+		          swap(theTemp);
+			    }
+	    MemoryManager* m_memoryManager;
+	      int m_size;
+};
+void f(void) {
+      XalanVector tempVector;
+        tempVector.push_back();
+}