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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041112-1.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041112-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041112-1.c
new file mode 100644
index 000000000..0c6251ca3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041112-1.c
@@ -0,0 +1,40 @@
+/* This was failing on Alpha because the comparison (p != -1) was rewritten
+ as (p+1 != 0) and p+1 isn't allowed to wrap for pointers. */
+
+extern void abort(void);
+
+typedef __SIZE_TYPE__ size_t;
+
+int global;
+
+static void *foo(int p)
+{
+ if (p == 0)
+ {
+ global++;
+ return &global;
+ }
+
+ return (void *)(size_t)-1;
+}
+
+int bar(void)
+{
+ void *p;
+
+ p = foo(global);
+ if (p != (void *)(size_t)-1)
+ return 1;
+
+ global++;
+ return 0;
+}
+
+int main(void)
+{
+ global = 1;
+ if (bar () != 0)
+ abort();
+
+ return 0;
+}