PR opt/13869

        * tree-cfg.c (cfg_remove_useless_stmts_bb): Correct handling of
        boolean variables in COND_EXPR_COND.
	* g++.dg/opt/bool1.C: New.


git-svn-id: https://gcc.gnu.org/svn/gcc/branches/tree-ssa-20020619-branch@77223 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 23 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/opt/bool1.C b/gcc/testsuite/g++.dg/opt/bool1.C
new file mode 100644
index 00000000000..362be14c7d1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/bool1.C
@@ -0,0 +1,23 @@
+// PR opt/13869
+// { dg-do run }
+// { dg-options "-O2" }
+
+int test ()
+{
+  bool my_bool = true;
+  for (int i = 0; i < 10; ++i)
+    {
+      if (!my_bool)
+	;
+      else
+	my_bool = false;
+    };
+  return my_bool;
+}
+
+int main ()
+{
+  if (test ())
+    abort ();
+  return 0;
+}