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authorRichard Guenther <rguenther@suse.de>2012-05-22 09:35:32 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2012-05-22 09:35:32 +0000
commit633d9236a135cbeff21d9f51781fa12c88928f8a (patch)
treeedd933075bb00936f6f414ee65988cde61a30349
parent27eb31c9de20cd2eb1980c49d1dc2e3bc48483f0 (diff)
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re PR middle-end/51071 (ICE in gimple_has_side_effects, at gimple.c:2513)
2012-05-22 Richard Guenther <rguenther@suse.de> PR middle-end/51071 * gcc.dg/torture/pr51071-2.c: New testcase. From-SVN: r187768
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr51071-2.c38
2 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 661da35..0d21111 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-22 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51071
+ * gcc.dg/torture/pr51071-2.c: New testcase.
+
2012-05-22 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/53336
diff --git a/gcc/testsuite/gcc.dg/torture/pr51071-2.c b/gcc/testsuite/gcc.dg/torture/pr51071-2.c
new file mode 100644
index 0000000..f66a89f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr51071-2.c
@@ -0,0 +1,38 @@
+/* { dg-do compile } */
+/* { dg-options "-fno-delete-null-pointer-checks" } */
+
+extern struct module __this_module;
+static inline void
+trace_module_get (struct module *mod, unsigned long ip) { }
+struct module;
+static inline __attribute__((no_instrument_function))
+int try_module_get(struct module *module)
+{
+ int ret = 1;
+ if (module)
+ {
+ if (module_is_live(module))
+ {
+ __label__ __here;
+ asm("");
+ __here:
+ trace_module_get(module, (unsigned long)&&__here);
+ }
+ else
+ ret = 0;
+ }
+ return ret;
+}
+struct net_device;
+struct net_device_ops {
+ int (*ndo_open)(struct net_device *dev);
+};
+int t3e3_open(struct net_device *dev)
+{
+ int ret = hdlc_open(dev);
+ if (ret)
+ return ret;
+ try_module_get((&__this_module));
+ return 0;
+}
+const struct net_device_ops t3e3_ops = { .ndo_open = t3e3_open };