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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2016-12-14 10:32:56 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2016-12-14 10:32:56 +0000
commitc3105742c021355f96d5b05dd2be8b375122e31d (patch)
treea26bd4d8afaefeb0ed6f69af8aeb56adc3c57358
parenteee9f9a5679d74c9be5106b51eab30ea24716e1a (diff)
downloadgcc-c3105742c021355f96d5b05dd2be8b375122e31d.tar.gz
2016-12-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/78731 * gcc.dg/torture/pr78731.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@243642 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr78731.c41
2 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index aa87408711d..4dd657ae9e6 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-14 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/78731
+ * gcc.dg/torture/pr78731.c: New testcase.
+
2016-12-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
Backport from mainline
diff --git a/gcc/testsuite/gcc.dg/torture/pr78731.c b/gcc/testsuite/gcc.dg/torture/pr78731.c
new file mode 100644
index 00000000000..5a4d43be1f9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr78731.c
@@ -0,0 +1,41 @@
+/* { dg-do run } */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define GENERAL 1
+#define BRACKETS 2
+#define QUOTES 3
+
+void __attribute__((noinline,noclone))
+foo(char *qb, char* into)
+{
+ int state = QUOTES;
+ int save_state = BRACKETS;
+
+ while (qb)
+ {
+ switch (state)
+ {
+ case BRACKETS:
+ exit(0);
+ case GENERAL:
+ abort ();
+ case QUOTES:
+ state = save_state;
+ save_state = GENERAL;
+ break;
+ default: ;
+ }
+ printf("State %d btw GENERAL %d\n", state, GENERAL);
+ }
+ abort ();
+}
+
+int main()
+{
+ char *b = "123";
+ char out[4];
+ foo(b, out);
+ return 0;
+}