Bug#302989: marked as done (optimizer breaks function inlining)
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>From steven.robbins@videotron.ca Sun Apr 03 14:37:09 2005
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Date: Sun, 03 Apr 2005 17:37:08 -0400
From: "Steve M. Robbins" <steven.robbins@videotron.ca>
Subject: optimizer breaks function inlining
To: Debian Bug Tracking System <submit@bugs.debian.org>
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Package: g++-4.0
Version: 4.0-0pre5
Severity: normal
Hi,
The following test code (atof.cc) elicits no warning when compiled with
g++-4.0 -c -Wall atof.cc
but with optimization GCC complains about the standard library
function atof():
steve@riemann{test}g++-4.0 -c -Wall -O atof.cc
atof.cc: In member function 'double A::foo()':
atof.cc:15: warning: control may reach end of non-void function 'double atof(const char*)' being inlined
/usr/include/stdlib.h:378: warning: control may reach end of non-void function 'double strtod(const char*, char**)' being inlined
----------------------- atof.cc -----------------------------------
#include <cstdlib>
class A
{
public:
double foo();
private:
};
double A::foo()
{
return std::atof( "1.2" );
}
----------------------- atof.cc -----------------------------------
Regards,
-Steve
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (990, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.10-1-k7
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Versions of packages g++-4.0 depends on:
ii gcc-4.0 4.0-0pre5 The GNU C compiler
ii gcc-4.0-base 4.0-0pre5 The GNU Compiler Collection (base
ii libc6 2.3.2.ds1-20 GNU C Library: Shared libraries an
ii libstdc++6-4.0-dev 4.0-0pre5 The GNU Standard C++ Library v3 (d
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>From doko@cs.tu-berlin.de Tue Apr 12 00:49:23 2005
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From: Matthias Klose <doko@cs.tu-berlin.de>
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Message-ID: <16987.32117.619208.759033@gargle.gargle.HOWL>
Date: Tue, 12 Apr 2005 09:49:09 +0200
To: 301140-done@bugs.debian.org, 302989-done@bugs.debian.org,
303866-done@bugs.debian.org
Subject: Re: Fixed in upload of gcc-4.0 4.0ds10-0pre10 to experimental
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> Changes:
> gcc-4.0 (4.0ds10-0pre10) experimental; urgency=low
> .
> * gcc-4.0.0-20050410 release candidate 1, built from the prerelease tarball.
> - C++ fix for "optimizer breaks function inlining". Closes: #302989.
> * Append the GCC version to the fastjar/grepjar version string.
> * Use short file names in the libstdc++ docs (closes: #301140).
> * Fix libstdc++-dbg dependencies (closes: #303866).
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