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and subject line Bug#207269: gcc-3.3: require semi-colon after do{}while()
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Date: Tue, 26 Aug 2003 06:00:31 +0200
From: Pierre THIERRY <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: gcc-3.3: require semi-colon after do{}while()
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Package: gcc-3.3
Version: 1:3.3.1-0pre0
Severity: normal
Tags: upstream
GCC, for C and C++, doesn't require any semi-colon after a while(){}
structure (and shouldn't, AFAIK), but require it after a do{}while().
Compiling the attached file triggers the following error, and the
compilation works great when applying the following patch:
$ gcc -o control control.c
control.c: In function `main':
control.c:8: error: syntax error before '}' token
$ gcc -o control control.non-standard.c
$
--- control.c 2003-08-26 05:24:16.000000000 +0200
+++ control.non-standard.c 2003-08-26 05:29:32.000000000 +0200
@@ -4,5 +4,5 @@
{
do {
printf("blob");
- } while(0)
+ } while(0);
}
Also applicable to 1:3.3.2-0pre1 (sid)
-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux bateleur.arcanes 2.4.18-bf2.4 #1 Son Apr 14 09:53:28 CEST 200=
2 i686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED]
Versions of packages gcc-3.3 depends on:
ii binutils 2.14.90.0.4-0.1 The GNU assembler, linker and =
bina
ii cpp-3.3 1:3.3.1-0pre0 The GNU C preprocessor
ii gcc-3.3-base 1:3.3.1-0pre0 The GNU Compiler Collection (b=
ase=20
ii libc6 2.3.1-16 GNU C Library: Shared librarie=
s an
ii libgcc1 1:3.3.1-0pre0 GCC support library
-- no debconf information
--=20
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Content-Type: text/x-csrc; charset=us-ascii
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#include <stdio.h>
int main()
{
do {
printf("blob");
} while(0)
}
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Date: Tue, 26 Aug 2003 12:16:42 -0400
From: Daniel Jacobowitz <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: Bug#207269: gcc-3.3: require semi-colon after do{}while()
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On Tue, Aug 26, 2003 at 11:20:53AM -0400, Daniel Jacobowitz wrote:
> On Tue, Aug 26, 2003 at 06:00:31AM +0200, Pierre THIERRY wrote:
> > Package: gcc-3.3
> > Version: 1:3.3.1-0pre0
> > Severity: normal
> > Tags: upstream
> >
> > GCC, for C and C++, doesn't require any semi-colon after a while(){}
> > structure (and shouldn't, AFAIK), but require it after a do{}while().
> >
> > Compiling the attached file triggers the following error, and the
> > compilation works great when applying the following patch:
> >
> > $ gcc -o control control.c
> > control.c: In function `main':
> > control.c:8: error: syntax error before '}' token
> > $ gcc -o control control.non-standard.c
> > $
>
> Why do you believe that this is a bug in GCC? This is a standard
> element of C; braces which denote a block scope do not require a
> trailing semicolon but other statements do.
>
> Did other versions of GCC accept this?
Closing bug.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
