1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/builtin-ctype-1.c b/gcc/testsuite/gcc.dg/torture/builtin-ctype-1.c
new file mode 100644
index 00000000000..ad6fc1c60b6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/builtin-ctype-1.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2004  Free Software Foundation.
+
+   Verify that built-in ctype function attributes are correctly set by
+   the compiler.
+
+   Written by Kaveh Ghazi, 2004-03-23.  */
+
+/* { dg-do link } */
+
+
+void test(int i)
+{
+  /* All of these ctype functions should be const/pure and thus
+     eliminated.  */
+#define TEST_CTYPE(FN) \
+  extern int FN(int); \
+  extern void link_failure_##FN(void); \
+  if (FN(i) != FN(i)) \
+    link_failure_##FN()
+  
+#ifdef __OPTIMIZE__
+  TEST_CTYPE(isalnum);
+  TEST_CTYPE(isalpha);
+  TEST_CTYPE(isascii);
+  TEST_CTYPE(isblank);
+  TEST_CTYPE(iscntrl);
+  TEST_CTYPE(isdigit);
+  TEST_CTYPE(isgraph);
+  TEST_CTYPE(islower);
+  TEST_CTYPE(isprint);
+  TEST_CTYPE(ispunct);
+  TEST_CTYPE(isspace);
+  TEST_CTYPE(isupper);
+  TEST_CTYPE(isxdigit);
+  TEST_CTYPE(toascii);
+  TEST_CTYPE(tolower);
+  TEST_CTYPE(toupper);
+#endif /* __OPTIMIZE__ */
+}
+
+int main (void)
+{
+  return 0;
+}