Unreachable control path at lexer_token_type_to_string

[renatahodovan]

Jerry version:

Checked revision: ec02ace
Build: debug.linux

OS:

Ubuntu 14.10, x86_64

Test case:

v_0 = {a: Math, /[]/ };

Backtrace:

v_0 = {a: Math, /[]/ };
                 ^
ERROR: Ln 1, Col 18: ICE: Unreachable control path at jerryscript/jerry-core/parser/js/lexer.cpp(lexer_token_type_to_string):1500 was executed.
Error: ERR_FAILED_INTERNAL_ASSERTION

Program received signal SIGABRT, Aborted.
0x0000000000485ccd in syscall_2_asm () at jerryscript/jerry-libc/target/linux/jerry-asm.S:32
32    SYSCALL_2
(gdb) bt
#0  0x0000000000485ccd in syscall_2_asm () at jerryscript/jerry-libc/target/linux/jerry-asm.S:32
#1  0x00000000004003c2 in syscall_2 (syscall_no=62, arg1=19133, arg2=6)
    at jerryscript/jerry-libc/target/linux/jerry-libc-target.c:96
#2  0x0000000000400563 in abort () at jerryscript/jerry-libc/target/linux/jerry-libc-target.c:175
#3  0x000000000043a7db in jerry_fatal (code=ERR_FAILED_INTERNAL_ASSERTION) at jerryscript/jerry-core/jrt/jrt-fatals.cpp:65
#4  0x000000000043a894 in jerry_unreachable (comment=0x0, file=0x48ffc8 "jerryscript/jerry-core/parser/js/lexer.cpp", 
    function=0x48dbe0 <_ZZ26lexer_token_type_to_string10token_typeE8__func__.lto_priv.157> "lexer_token_type_to_string", line=1500)
    at jerryscript/jerry-core/jrt/jrt-fatals.cpp:119
#5  0x000000000040f7c8 in lexer_token_type_to_string (tt=TOK_REGEXP) at jerryscript/jerry-core/parser/js/lexer.cpp:1500
#6  0x0000000000444f4c in parse_property_name () at jerryscript/jerry-core/parser/js/parser.cpp:318
#7  0x0000000000444f81 in parse_property_name_and_value () at jerryscript/jerry-core/parser/js/parser.cpp:329
#8  0x00000000004451ae in parse_property_assignment () at jerryscript/jerry-core/parser/js/parser.cpp:419
#9  0x0000000000445490 in parse_argument_list(varg_list_type, operand, unsigned char*, operand*) [clone .lto_priv.537] (vlt=VARG_OBJ_DECL, obj=..., 
    args_count=0x0, this_arg_p=0x0) at jerryscript/jerry-core/parser/js/parser.cpp:560
#10 0x00000000004458e4 in parse_object_literal() [clone .lto_priv.540] () at jerryscript/jerry-core/parser/js/parser.cpp:738
#11 0x000000000043d907 in parse_primary_expression () at jerryscript/jerry-core/parser/js/parser.cpp:794
#12 0x000000000043dad5 in parse_member_expression (this_arg=0x7fffffffcfd0, prop_gl=0x7fffffffd040)
    at jerryscript/jerry-core/parser/js/parser.cpp:861
#13 0x000000000043ddc6 in parse_call_expression (this_arg_gl=0x7fffffffd050, prop_gl=0x7fffffffd040)
    at jerryscript/jerry-core/parser/js/parser.cpp:932
#14 0x000000000043df7e in parse_left_hand_side_expression (this_arg=0x7fffffffd050, prop=0x7fffffffd040)
    at jerryscript/jerry-core/parser/js/parser.cpp:995
#15 0x000000000043dfac in parse_postfix_expression () at jerryscript/jerry-core/parser/js/parser.cpp:1005
#16 0x000000000043e3c5 in parse_unary_expression (this_arg_gl=0x0, prop_gl=0x0)
    at jerryscript/jerry-core/parser/js/parser.cpp:1133
#17 0x000000000043e42e in parse_multiplicative_expression () at jerryscript/jerry-core/parser/js/parser.cpp:1165
#18 0x000000000043e529 in parse_additive_expression () at jerryscript/jerry-core/parser/js/parser.cpp:1211
#19 0x000000000043e5d2 in parse_shift_expression () at jerryscript/jerry-core/parser/js/parser.cpp:1250
#20 0x000000000043e6ad in parse_relational_expression (in_allowed=true) at jerryscript/jerry-core/parser/js/parser.cpp:1296
#21 0x000000000043e840 in parse_equality_expression (in_allowed=true) at jerryscript/jerry-core/parser/js/parser.cpp:1370
#22 0x000000000043e97e in parse_bitwise_and_expression (in_allowed=true) at jerryscript/jerry-core/parser/js/parser.cpp:1423
#23 0x000000000043ea00 in parse_bitwise_xor_expression (in_allowed=true) at jerryscript/jerry-core/parser/js/parser.cpp:1450
#24 0x000000000043ea82 in parse_bitwise_or_expression (in_allowed=true) at jerryscript/jerry-core/parser/js/parser.cpp:1477
#25 0x000000000043eb04 in parse_logical_and_expression (in_allowed=true) at jerryscript/jerry-core/parser/js/parser.cpp:1504
#26 0x000000000043ebde in parse_logical_or_expression (in_allowed=true) at jerryscript/jerry-core/parser/js/parser.cpp:1539
#27 0x000000000043ecbc in parse_conditional_expression (in_allowed=true, is_conditional=0x7fffffffd31e)
    at jerryscript/jerry-core/parser/js/parser.cpp:1574
#28 0x000000000043ed8c in parse_assignment_expression(bool) [clone .lto_priv.560] (in_allowed=true)
    at jerryscript/jerry-core/parser/js/parser.cpp:1610
#29 0x000000000043ee2d in parse_assignment_expression(bool) [clone .lto_priv.560] (in_allowed=true)
    at jerryscript/jerry-core/parser/js/parser.cpp:1636
#30 0x000000000043efe3 in parse_expression (in_allowed=true, dump_eval_ret_store=JSP_EVAL_RET_STORE_DUMP)
    at jerryscript/jerry-core/parser/js/parser.cpp:1710
#31 0x0000000000440b72 in parse_statement (outermost_stmt_label_p=0x0) at jerryscript/jerry-core/parser/js/parser.cpp:2786
#32 0x0000000000440c18 in parse_source_element () at jerryscript/jerry-core/parser/js/parser.cpp:2820
#33 0x000000000044109a in parse_source_element_list(bool) [clone .lto_priv.559] (is_global=true)
    at jerryscript/jerry-core/parser/js/parser.cpp:3045
#34 0x000000000044123b in parser_parse_program (source_p=0x6b5780 <_ZL13source_buffer.lto_priv.1070> "v_0 = {a: Math, /[]/ };", source_size=23, 
    in_function=false, in_eval=false, is_strict=false, out_opcodes_p=0x7fffffffd5e0)
    at jerryscript/jerry-core/parser/js/parser.cpp:3105
#35 0x00000000004413ba in parser_parse_script (source=0x6b5780 <_ZL13source_buffer.lto_priv.1070> "v_0 = {a: Math, /[]/ };", source_size=23, 
    opcodes_p=0x7fffffffd5e0) at jerryscript/jerry-core/parser/js/parser.cpp:3174
#36 0x000000000048578a in jerry_parse (source_p=0x6b5780 <_ZL13source_buffer.lto_priv.1070> "v_0 = {a: Math, /[]/ };", source_size=23)
    at jerryscript/jerry-core/jerry.cpp:1341
#37 0x0000000000484397 in main (argc=3, argv=0x7fffffffd888) at jerryscript/main-linux.cpp:282