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[Tinycc-devel] Obscure local-label related bug

From: Petr Skocik
Subject: [Tinycc-devel] Obscure local-label related bug
Date: Tue, 14 Apr 2020 21:13:54 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

I ran into this in some in some macro generated code:

int main()
    #if 1 //a workaround
    __label__ LBL;

    //jump to a classical label out of an expr-stmt that had previously
overshadowed that classical label
         { __label__ LBL; LBL:; }
     goto LBL; });
    //^won't compile on tcc but will on gcc and clang

Just making a note. I don't expect anybody to fix it anytime soon. :)

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