PR bootstrap/82948 - prefix.c:202:15: error: 'char* strncpy(char*, const char*,

   size_t)' destination unchanged after copying no bytes 

gcc/ChangeLog:

	PR bootstrap/82948
	* prefic.c (translate_name): Replace strncpy with memcpy to
	avoid -Wstringop-truncation.

From-SVN: r254658

gcc/ChangeLog

+2017-11-11  Martin Sebor  <msebor@redhat.com>
+
+	PR bootstrap/82948
+	* prefic.c (translate_name): Replace strncpy with memcpy to
+	avoid -Wstringop-truncation.
+
 2017-11-10  Jan Hubicka  <hubicka@ucw.cz>
 
 	* tree-ssa-loop-im.c (execute_sm_if_changed): Do not compute freq_sum.

gcc/prefix.c

@@ -199,7 +199,7 @@ translate_name (char *name)
 	;
 
       key = (char *) alloca (keylen + 1);
-      strncpy (key, &name[1], keylen);
+      memcpy (key, &name[1], keylen);
       key[keylen] = 0;
 
       if (code == '@')