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From: "pavel.morozkin at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/29399] New: Wrong definition of setjmp
Date: Sun, 24 Jul 2022 19:25:33 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29399

            Bug ID: 29399
           Summary: Wrong definition of setjmp
           Product: glibc
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: pavel.morozkin at gmail dot com
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---

The setjmp is defined as:
#define setjmp(env)     _setjmp (env)

This is wrong because it breaks the following code:
#include <setjmp.h>

void f(void)
{
    struct { int x; } _setjmp;
    jmp_buf x;
    setjmp(x);
}

In file included from <source>:1:
<source>: In function 'f':
<source>:7:5: error: called object '_setjmp' is not a function or function
pointer
    7 |     setjmp(x);
      |     ^~~~~~
<source>:5:23: note: declared here
    5 |     struct { int x; } _setjmp;
      |                       ^~~~~~~
Compiler returned: 1

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