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valid function defined twice -> incorrect syntax error "duplicate formal parameter" #156

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avih opened this issue Feb 16, 2022 · 0 comments
Open

valid function defined twice -> incorrect syntax error "duplicate formal parameter" #156

avih opened this issue Feb 16, 2022 · 0 comments

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@avih
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avih commented Feb 16, 2022

With this test file fndup.js:

"use strict";
function x(y) { }
function x(y) { }

As far as I can tell this is a valid file, but it gives the following error:

SyntaxError: fndup.js:3: duplicate formal parameter 'x'
@avih avih changed the title valid function defined twice -> incorrect syntax error "duplicate formal argument" valid function defined twice -> incorrect syntax error "duplicate formal parameter" Feb 16, 2022
ccxvii added a commit that referenced this issue Mar 10, 2022
@ccxvii
Issue #156: Fix check for duplicate formal parameters when strict.
434ae67 
Duplicate var and function declarations are still allowed.
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@avih