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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/pr19005.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/pr19005.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr19005.c b/gcc/testsuite/gcc.c-torture/execute/pr19005.c
new file mode 100644
index 000000000..c36b38814
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr19005.c
@@ -0,0 +1,38 @@
+/* PR target/19005 */
+extern void abort (void);
+
+int v, s;
+
+void
+bar (int a, int b)
+{
+ unsigned char x = v;
+
+ if (!s)
+ {
+ if (a != x || b != (unsigned char) (x + 1))
+ abort ();
+ }
+ else if (a != (unsigned char) (x + 1) || b != x)
+ abort ();
+ s ^= 1;
+}
+
+int
+foo (int x)
+{
+ unsigned char a = x, b = x + 1;
+
+ bar (a, b);
+ a ^= b; b ^= a; a ^= b;
+ bar (a, b);
+ return 0;
+}
+
+int
+main (void)
+{
+ for (v = -10; v < 266; v++)
+ foo (v);
+ return 0;
+}