--- a/gdb/c-exp.y
+++ b/gdb/c-exp.y
@@ -1134,6 +1134,7 @@ parse_number (p, len, parsed_float, puti
 	    = builtin_type (current_gdbarch)->builtin_decfloat;
 	  decimal_from_string (putithere->typed_val_decfloat.val, 4, p);
 	  p[len] = saved_char;
+	  free (s);
 	  return (DECFLOAT);
 	}
 
@@ -1144,6 +1145,7 @@ parse_number (p, len, parsed_float, puti
 	    = builtin_type (current_gdbarch)->builtin_decdouble;
 	  decimal_from_string (putithere->typed_val_decfloat.val, 8, p);
 	  p[len] = saved_char;
+	  free (s);
 	  return (DECFLOAT);
 	}
 
@@ -1154,6 +1156,7 @@ parse_number (p, len, parsed_float, puti
 	    = builtin_type (current_gdbarch)->builtin_declong;
 	  decimal_from_string (putithere->typed_val_decfloat.val, 16, p);
 	  p[len] = saved_char;
+	  free (s);
 	  return (DECFLOAT);
 	}