Your message dated Sun, 27 Jan 2008 12:53:57 +0100
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and subject line Bug#462745: gcc-4.2: for (;;) { .. } while (..); doesn't give
error
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--- Begin Message ---
Package: gcc-4.2
Version: 4.2.2-4
Severity: normal
Given code like:
for (;;) {
} while (xyz);
gcc gives no kind of an error or warning. It just ignores the while(). Also
tested that this happens with gcc 3.3 and 4.3-20080116-1.
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.23.1 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages gcc-4.2 depends on:
ii binutils 2.18-1 The GNU assembler, linker and bina
ii cpp-4.2 4.2.2-4 The GNU C preprocessor
ii gcc-4.2-base 4.2.2-4 The GNU Compiler Collection (base
ii libc6 2.7-4 GNU C Library: Shared libraries
ii libgcc1 1:4.3-20080116-1 GCC support library
ii libgomp1 4.3-20080116-1 GCC OpenMP (GOMP) support library
Versions of packages gcc-4.2 recommends:
ii libc6-dev 2.7-4 GNU C Library: Development Librari
-- debconf-show failed
--- End Message ---
--- Begin Message ---
Timo Sirainen writes:
> Package: gcc-4.2
> Version: 4.2.2-4
> Severity: normal
>
> Given code like:
>
> for (;;) {
> } while (xyz);
>
> gcc gives no kind of an error or warning. It just ignores the while(). Also
> tested that this happens with gcc 3.3 and 4.3-20080116-1.
Of course. This is legal C or C++ code consisting of an empty for
loop followed by an empty while loop. If you think this is a problem,
switch to Ada.
--
Ludovic Brenta.
--- End Message ---
