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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/20070725-1.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/20070725-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/20070725-1.c
new file mode 100644
index 000000000..07b609cf8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/20070725-1.c
@@ -0,0 +1,64 @@
+/* This used to fail due to a ifcombine problem wrecking 64bit
+ checks. Fixed with rev. 126876. */
+/* { dg-do run } */
+/* { dg-options "-O1" } */
+
+struct tree_base
+{
+ unsigned code:16;
+
+ unsigned side_effects_flag:1;
+ unsigned constant_flag:1;
+ unsigned addressable_flag:1;
+ unsigned volatile_flag:1;
+ unsigned readonly_flag:1;
+ unsigned unsigned_flag:1;
+ unsigned asm_written_flag:1;
+ unsigned nowarning_flag:1;
+
+ unsigned used_flag:1;
+ unsigned nothrow_flag:1;
+ unsigned static_flag:1;
+ unsigned public_flag:1;
+ unsigned private_flag:1;
+ unsigned protected_flag:1;
+ unsigned deprecated_flag:1;
+ unsigned invariant_flag:1;
+
+ unsigned lang_flag_0:1;
+ unsigned lang_flag_1:1;
+ unsigned lang_flag_2:1;
+ unsigned lang_flag_3:1;
+ unsigned lang_flag_4:1;
+ unsigned lang_flag_5:1;
+ unsigned lang_flag_6:1;
+ unsigned visited:1;
+
+ unsigned spare1:16;
+ unsigned spare2:8;
+ unsigned long a;
+};
+
+int
+foo (struct tree_base *rhs)
+{
+ if (({const struct tree_base* __t = (rhs); __t;})->readonly_flag
+ && (rhs)->static_flag)
+ return 1;
+
+ return 0;
+}
+
+extern void abort (void);
+
+int
+main ()
+{
+ struct tree_base t;
+
+ t.readonly_flag = t.static_flag = 0;
+ if (foo (&t))
+ abort ();
+
+ return 0;
+}