Fix memory leak for { $foo: bar }

{ BINDING: ExpD } wasn't freeing BINDING.

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60865

src/parser.c

@@ -980,8 +980,8 @@ static const yytype_int16 yyrline[] =
      869,   874,   877,   880,   883,   886,   889,   897,   903,   906,
      909,   912,   915,   918,   921,   924,   927,   930,   933,   936,
      939,   942,   945,   948,   951,   954,   959,   962,   963,   964,
-     967,   970,   973,   976,   980,   984,   988,   992,   996,  1000,
+     967,   970,   973,   976,   980,   985,   989,   993,   997,  1001,
-    1008
+    1009
 };
 #endif
 
@@ -4065,48 +4065,49 @@ yyreduce:
                    {
   (yyval.blk) = gen_dictpair(gen_location((yyloc), locations, gen_op_unbound(LOADV, jv_string_value((yyvsp[-2].literal)))),
                     (yyvsp[0].blk));
+  jv_free((yyvsp[-2].literal));
   }
-#line 4070 "src/parser.c"
+#line 4071 "src/parser.c"
     break;
 
   case 165: /* MkDictPair: BINDING  */
-#line 984 "src/parser.y"
+#line 985 "src/parser.y"
           {
   (yyval.blk) = gen_dictpair(gen_const((yyvsp[0].literal)),
                     gen_location((yyloc), locations, gen_op_unbound(LOADV, jv_string_value((yyvsp[0].literal)))));
   }
-#line 4079 "src/parser.c"
+#line 4080 "src/parser.c"
     break;
 
   case 166: /* MkDictPair: IDENT  */
-#line 988 "src/parser.y"
+#line 989 "src/parser.y"
         {
   (yyval.blk) = gen_dictpair(gen_const(jv_copy((yyvsp[0].literal))),
                     gen_index(gen_noop(), gen_const((yyvsp[0].literal))));
   }
-#line 4088 "src/parser.c"
+#line 4089 "src/parser.c"
     break;
 
   case 167: /* MkDictPair: "$__loc__"  */
-#line 992 "src/parser.y"
+#line 993 "src/parser.y"
              {
   (yyval.blk) = gen_dictpair(gen_const(jv_string("__loc__")),
                     gen_loc_object(&(yyloc), locations));
   }
-#line 4097 "src/parser.c"
+#line 4098 "src/parser.c"
     break;
 
   case 168: /* MkDictPair: Keyword  */
-#line 996 "src/parser.y"
+#line 997 "src/parser.y"
           {
   (yyval.blk) = gen_dictpair(gen_const(jv_copy((yyvsp[0].literal))),
                     gen_index(gen_noop(), gen_const((yyvsp[0].literal))));
   }
-#line 4106 "src/parser.c"
+#line 4107 "src/parser.c"
     break;
 
   case 169: /* MkDictPair: '(' Exp ')' ':' ExpD  */
-#line 1000 "src/parser.y"
+#line 1001 "src/parser.y"
                        {
   jv msg = check_object_key((yyvsp[-3].blk));
   if (jv_is_valid(msg)) {
@@ -4115,20 +4116,20 @@ yyreduce:
   jv_free(msg);
   (yyval.blk) = gen_dictpair((yyvsp[-3].blk), (yyvsp[0].blk));
   }
-#line 4119 "src/parser.c"
+#line 4120 "src/parser.c"
     break;
 
   case 170: /* MkDictPair: error ':' ExpD  */
-#line 1008 "src/parser.y"
+#line 1009 "src/parser.y"
                  {
   FAIL((yyloc), "May need parentheses around object key expression");
   (yyval.blk) = (yyvsp[0].blk);
   }
-#line 4128 "src/parser.c"
+#line 4129 "src/parser.c"
     break;
 
 
-#line 4132 "src/parser.c"
+#line 4133 "src/parser.c"
 
       default: break;
     }
@@ -4357,7 +4358,7 @@ yyreturnlab:
   return yyresult;
 }
 
-#line 1012 "src/parser.y"
+#line 1013 "src/parser.y"
 
 
 int jq_parse(struct locfile* locations, block* answer) {

src/parser.y

@@ -980,6 +980,7 @@ IDENT ':' ExpD {
 | BINDING ':' ExpD {
   $$ = gen_dictpair(gen_location(@$, locations, gen_op_unbound(LOADV, jv_string_value($1))),
                     $3);
+  jv_free($1);
   }
 | BINDING {
   $$ = gen_dictpair(gen_const($1),

tests/jq.test

@@ -1849,12 +1849,16 @@ reduce .[] as $then (4 as $else | $else; . as $elif | . + $then * $elif)
 [10,19,27,34]
 
 
-# { $__loc__ } works
+# Object construction
 
 { a, $__loc__, c }
 {"a":[1,2,3],"b":"foo","c":{"hi":"hey"}}
 {"a":[1,2,3],"__loc__":{"file":"<top-level>","line":1},"c":{"hi":"hey"}}
 
+1 as $x | "2" as $y | "3" as $z | { $x, as, $y: 4, ($z): 5, if: 6, foo: 7 }
+{"as":8}
+{"x":1,"as":8,"2":4,"3":5,"if":6,"foo":7}
+
 
 # nan is parsed as a valid NaN value from JSON