diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index 1c34502e61a..50d7f9bf5d2 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -4646,7 +4646,7 @@ error_init (msgid)
 {
   char *ofwhat;
 
-  error ("%s", msgid);
+  error ("%s", _(msgid));
   ofwhat = print_spelling ((char *) alloca (spelling_length () + 1));
   if (*ofwhat)
     error ("(near initialization for `%s')", ofwhat);
@@ -4662,7 +4662,7 @@ pedwarn_init (msgid)
 {
   char *ofwhat;
 
-  pedwarn ("%s", msgid);
+  pedwarn ("%s", _(msgid));
   ofwhat = print_spelling ((char *) alloca (spelling_length () + 1));
   if (*ofwhat)
     pedwarn ("(near initialization for `%s')", ofwhat);
@@ -4678,7 +4678,7 @@ warning_init (msgid)
 {
   char *ofwhat;
 
-  warning ("%s", msgid);
+  warning ("%s", _(msgid));
   ofwhat = print_spelling ((char *) alloca (spelling_length () + 1));
   if (*ofwhat)
     warning ("(near initialization for `%s')", ofwhat);
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 79387fbc6bc..ce93a03593a 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -1382,7 +1382,7 @@ negate_expr (t)
       break;
     }
 
-  return convert (type, build1 (NEGATE_EXPR, TREE_TYPE (t), t));
+  return convert (type, fold (build1 (NEGATE_EXPR, TREE_TYPE (t), t)));
 }
 
 /* Split a tree IN into a constant, literal and variable parts that could be