gcc/testsuite/ChangeLog:
* gcc.dg/Wbuiltin-declaration-mismatch-12.c: New test.
From-SVN: r269120
+2019-02-22 Martin Sebor <msebor@redhat.com>
+
+ * gcc.dg/Wbuiltin-declaration-mismatch-12.c: New test.
+
2019-02-22 H.J. Lu <hongjiu.lu@intel.com>
Hongtao Liu <hongtao.liu@intel.com>
Sunil K Pandey <sunil.k.pandey@intel.com>
--- /dev/null
+/* Verify that declaring the __clear_cache and __builtin_prefetch
+ intrinsic functions with the wrong signature is diagnosed.
+ { dg-do compile }
+ { dg-options "-Wbuiltin-declaration-mismatch -Wextra" } */
+
+extern void __clear_cache (char*, char*); /* { dg-warning "mismatch in argument 1 type of built-in function .__clear_cache.; expected .void \\\*." } */
+
+void __builtin_prefetch (const char *, ...); /* { dg-warning "mismatch in argument 1 type of built-in function .__builtin_prefetch.; expected .const void \\\*." } */