1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030907-2.c b/gcc/testsuite/gcc.dg/tree-ssa/20030907-2.c
new file mode 100644
index 00000000000..47d60946e0c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030907-2.c
@@ -0,0 +1,30 @@
+/* PR optimization/12109
+
+   This would ICE in tree-ssa-dce.c:process_worklist() when
+   the function was expecting an SSA_NAME but found a VAR_DECL.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O -ftree-dce" } */
+
+void *do_it(void * dest, const void * src);
+double *create_float(void);
+
+void parse_rvalue(void **DataPtr)
+{
+  double local = 0.0;
+  int terms = 1;
+
+  *DataPtr = create_float();
+  
+  switch (terms)
+    {
+    case 1:
+      *((double *)*DataPtr) = local;
+      break;
+      
+    case 2:
+      do_it(*DataPtr, &local);
+      break;
+    }
+}
+