diff -urp gcc-5.3.0.bak/gcc/cp/cfns.h gcc-5.3.0/gcc/cp/cfns.h
--- gcc-5.3.0.bak/gcc/cp/cfns.h	2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/cp/cfns.h	2016-12-04 01:33:47.568537831 +0100
@@ -51,8 +51,12 @@ along with GCC; see the file COPYING3.
 __inline
 #endif
 static unsigned int hash (const char *, unsigned int);
+static
 #ifdef __GNUC__
 __inline
+#ifdef __GNUC_STDC_INLINE__
+__attribute__ ((__gnu_inline__))
+#endif
 #endif
 const char * libc_name_p (const char *, unsigned int);
 /* maximum key range = 391, duplicates = 0 */
@@ -122,6 +126,7 @@ hash (register const char *str, register
   return hval + asso_values[(unsigned char)str[len - 1]];
 }
 
+static
 #ifdef __GNUC__
 __inline
 #ifdef __GNUC_STDC_INLINE__