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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020320-1.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020320-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020320-1.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020320-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020320-1.c
new file mode 100644
index 000000000..385c061e1
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020320-1.c
@@ -0,0 +1,24 @@
+/* PR bootstrap/4192
+ This testcase caused infinite loop in flow (several places),
+ because flow assumes gen_jump generates simple_jump_p. */
+
+typedef void (*T) (void);
+extern T x[];
+
+void
+foo (void)
+{
+ static T *p = x;
+ static _Bool a;
+ T f;
+
+ if (__builtin_expect (a, 0))
+ return;
+
+ while ((f = *p))
+ {
+ p++;
+ f ();
+ }
+ a = 1;
+}