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Fix function argument handling issues caused by the parser. (#3705)

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1) Nested function declarations should not overwrite arguments.
2) Functions should be created in the correct scope.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-05-04 14:55:46 +02:00
committed by GitHub
parent 40a9f27314
commit 132a2008c9
6 changed files with 135 additions and 23 deletions
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jerry-core/parser/js/js-parser-statm.c
+2 -2
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@@ -742,7 +742,7 @@ parser_parse_function_statement (parser_context_t *context_p) /**< context */
while (stack_p < scope_stack_p)
{
if (literal_index == stack_p->map_from
&& (stack_p->map_to & PARSER_SCOPE_STACK_IS_LEXICAL))
&& (stack_p->map_to & PARSER_SCOPE_STACK_NO_FUNCTION_COPY))
{
copy_value = false;
break;
@@ -758,7 +758,7 @@ parser_parse_function_statement (parser_context_t *context_p) /**< context */
{
if (literal_index == stack_p->map_from)
{
JERRY_ASSERT (!(stack_p->map_to & PARSER_SCOPE_STACK_IS_LEXICAL));
JERRY_ASSERT (!(stack_p->map_to & PARSER_SCOPE_STACK_NO_FUNCTION_COPY));
uint16_t map_to = scanner_decode_map_to (stack_p);
uint16_t opcode = ((map_to >= PARSER_REGISTER_START) ? CBC_ASSIGN_LITERAL_SET_IDENT