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Re: [Tinycc-devel] Obscure local-label related bug
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From: |
Michael Matz |
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Subject: |
Re: [Tinycc-devel] Obscure local-label related bug |
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Date: |
Tue, 14 Apr 2020 22:45:57 +0200 (CEST) |
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User-agent: |
Alpine 2.21 (LSU 202 2017-01-01) |
Hello,
On Tue, 14 Apr 2020, Petr Skocik wrote:
I ran into this in some in some macro generated code:
int main()
{
#if 1 //a workaround
__label__ LBL;
#endif
//jump to a classical label out of an expr-stmt that had previously
overshadowed that classical label
({
{ __label__ LBL; LBL:; }
goto LBL; });
LBL:;
//^won't compile on tcc but will on gcc and clang
}
What t.... Uahhh!
Just making a note. I don't expect anybody to fix it anytime soon. :)
Fixed in mob :) (Nice find!)
Ciao,
Michael.