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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c
new file mode 100644
index 000000000..0993fbc19
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c
@@ -0,0 +1,25 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+typedef __SIZE_TYPE__ size_t;
+extern void __chk_fail (void);
+extern int snprintf (char *, size_t, const char *, ...);
+extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...)
+{
+ if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b)
+ __chk_fail ();
+ return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ());
+}
+extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf");
+
+char buf[10];
+
+int
+main (void)
+{
+ snprintf (buf, 10, "%d%d\n", 10, 10);
+ return 0;
+}
+
+/* { dg-final { scan-assembler "mysnprintf" } } */
+/* { dg-final { scan-assembler-not "__chk_fail" } } */