Assertion context_p->next_scanner_info_p->source_p == context_p->source_p && context_p->next_scanner_info_p->type == SCANNER_TYPE_SWITCH in parser_parse_switch_statement_start

[renatahodovan]

JerryScript revision

376cfea

Build platform

Linux-4.15.0-62-generic-x86_64-with-Ubuntu-18.04-bionic

Build steps

./tools/build.py --clean --debug --compile-flag=-fsanitize=address \
--compile-flag=-m32 --compile-flag=-fno-omit-frame-pointer \
--compile-flag=-fno-common --compile-flag=-g \
--strip=off --system-allocator=on --logging=on \
--linker-flag=-fuse-ld=gold --error-messages=on --profile=es2015-subset

Test case

var $ = class { } .prototype  = [ ]
switch ( '1' ) {

Output

ICE: Assertion 'context_p->next_scanner_info_p->source_p == context_p->source_p && context_p->next_scanner_info_p->type == SCANNER_TYPE_SWITCH' failed at jerryscript/jerry-core/parser/js/js-parser-statm.c(parser_parse_switch_statement_start):1235.
Error: ERR_FAILED_INTERNAL_ASSERTION

Backtrace

bt
#0  0xf7fd5079 in __kernel_vsyscall ()
#1  0xf77fc832 in raise () from /lib/i386-linux-gnu/libc.so.6
#2  0xf77fdcc1 in abort () from /lib/i386-linux-gnu/libc.so.6
#3  0x565797ef in jerry_port_fatal (code=ERR_FAILED_INTERNAL_ASSERTION) at jerryscript/jerry-port/default/default-fatal.c:71
#4  0x5661336b in jerry_fatal (code=ERR_FAILED_INTERNAL_ASSERTION) at jerryscript/jerry-core/jrt/jrt-fatals.c:58
#5  0x566133ac in jerry_assert_fail (assertion=0x566a41a0 "context_p->next_scanner_info_p->source_p == context_p->source_p && context_p->next_scanner_info_p->type == SCANNER_TYPE_SWITCH", file=0x566a37a0 "jerryscript/jerry-core/parser/js/js-parser-statm.c", function=0x56693f60 <__func__.5403.lto_priv.197> "parser_parse_switch_statement_start", line=1235) at jerryscript/jerry-core/jrt/jrt-fatals.c:82
#6  0x565b1666 in parser_parse_switch_statement_start.lto_priv.190 (context_p=0xffffc4b0) at jerryscript/jerry-core/parser/js/js-parser-statm.c:1234
#7  0x5656fac9 in parser_parse_statements (context_p=0xffffc4b0) at jerryscript/jerry-core/parser/js/js-parser-statm.c:2383
#8  0x565d1817 in parser_parse_source (arg_list_p=0x0, arg_list_size=0, source_p=0x566eda80 <buffer.lto_priv> "var UBound = 0 ; \nvar BUGNUMBER = 74474 ; \nvar summary = 'Testing switch statements with duplicate labels' ; \nvar status = '' ; \nvar f = class { f ( ) { } } .prototype .f ; \nvar actual = '' ; \nvar act"..., source_size=1396, parse_opts=0, error_location_p=0xffffc6c0) at jerryscript/jerry-core/parser/js/js-parser.c:2530
#9  0x565d457d in parser_parse_script (arg_list_p=0x0, arg_list_size=0, source_p=0x566eda80 <buffer.lto_priv> "var UBound = 0 ; \nvar BUGNUMBER = 74474 ; \nvar summary = 'Testing switch statements with duplicate labels' ; \nvar status = '' ; \nvar f = class { f ( ) { } } .prototype .f ; \nvar actual = '' ; \nvar act"..., source_size=1396, parse_opts=0, bytecode_data_p=0xffffc780) at jerryscript/jerry-core/parser/js/js-parser.c:2993
#10 0x56646c57 in jerry_parse (resource_name_p=0xffffcd90 "/home/reni/.fuzzinator_34114//jerryscript/picireny/243010487537740769481469148385537363433.js", resource_name_length=93, source_p=0x566eda80 <buffer.lto_priv> "var UBound = 0 ; \nvar BUGNUMBER = 74474 ; \nvar summary = 'Testing switch statements with duplicate labels' ; \nvar status = '' ; \nvar f = class { f ( ) { } } .prototype .f ; \nvar actual = '' ; \nvar act"..., source_size=1396, parse_opts=0) at jerryscript/jerry-core/api/jerry.c:420
#11 0x56643bac in main (argc=3, argv=0xffffcb14) at jerryscript/jerry-main/main-unix.c:734

^{Found by Fuzzinator with grammarinator.}