aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr42893.c30
2 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8ceef88..5a4fb3d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-08 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/42893
+ * gcc.tree-ssa/pr42893.c: New test.
+
2011-02-08 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/46834
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr42893.c b/gcc/testsuite/gcc.dg/tree-ssa/pr42893.c
new file mode 100644
index 0000000..b3fbd76
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr42893.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-optimized" } */
+
+struct frame_info;
+void tui_registers_changed_hook (void);
+extern struct frame_info *deprecated_selected_frame;
+int tui_refreshing_registers = 0;
+void
+tui_registers_changed_hook (void)
+{
+ struct frame_info *fi;
+ fi = deprecated_selected_frame;
+ if (fi)
+
+ {
+ if (tui_refreshing_registers == 0)
+
+ {
+ tui_refreshing_registers = 1;
+ tui_refreshing_registers = 0;
+ }
+ }
+ return;
+}
+
+/* No references to tui_refreshing_registers should remain. */
+/* { dg-final { scan-tree-dump-not "tui_refreshing_registers" "optimized"} } */
+
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+