Bug#141015: gcc-3.0: Superfluous warning when -std=c99/gnu99 and noreturn on main()
Package: gcc-3.0
Version: 1:3.0.4-6
Severity: normal
The following program generates a superfluous warning when compiled
with -std=c99 or -std=gnu99.
#include
int main (void) __attribute__ ((noreturn));
int main (void)
{
exit(1);
}
volition:~/tmp$ gcc-3.0 -std=c99 -c test.c
test.c: In function `main':
test.c:6: warning: function declared `noreturn' has a `return' statement
volition:~/tmp$
Obviously, this warning is bogus since there is no return statement
anywhere in the program :> The warning is not produced by gcc 2.95.4
nor in the default -std=gnu89 mode.
Although this example is trivial, I encountered the bug in an actual
program that depends on -std=gnu99 (since C99 features are used). In
the program, main() starts an event loop which never directly returns;
the program exits by calling exit().
-- System Information
Debian Release: 3.0
Architecture: i386
Kernel: Linux volition 2.4.18volition #1 Thu Mar 28 20:13:24 PST 2002 i686
Locale: LANG=C, LC_CTYPE=
Versions of packages gcc-3.0 depends on:
ii binutils 2.12.90.0.1-1 The GNU assembler, linker and bina
ii cpp-3.01:3.0.4-6 The GNU C preprocessor.
ii gcc-3.0-base 1:3.0.4-6 The GNU Compiler Collection (base
ii libc6 2.2.5-3 GNU C Library: Shared libraries an
ii libgcc11:3.0.4-6 GCC support library.
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Re: gcc-3.1 packaging - feedback from ports wanted
Hi, On Tue, 2 Apr 2002, Matthias Klose wrote: > - m68k: the branch doesn't bootstrap. Roman wanted to look at it, > but I got no feedback. Sorry, I'm busy lately with other projects and it will likely not get better in the next weeks, but I'll try to get it at least working again asap. bye, Roman -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
