Regresion test for 158080. This test should pass and not crash. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS let r = /\u{|abc/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{1/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{12/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{123/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{1234/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{abcde/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{abcdef/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{1111111}/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{fedbca98}/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS let r = /\u{1{123}}/u threw exception SyntaxError: Invalid regular expression: invalid Unicode code point \u{} escape. PASS successfullyParsed is true TEST COMPLETE