[Bug c/17096] New: gcc-3.4.1 allows statements before declarations

[Bug c/17096] New: gcc-3.4.1 allows statements before declarations

[metze at samba dot org]

gcc 3.4.1 (gcc 3.3.3 also) allows statements before declarations:

{
   int i1;

   printf("bla");

   int i2;
}

even if I use -ansi (and -Wall -Wshadow -Werror-implicit-function-declaration
-Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings)

I got no warning

gcc 2.95.3 and other c compilers
fail to compile that code

-- 
           Summary: gcc-3.4.1 allows statements before declarations
           Product: gcc
           Version: 3.4.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: metze at samba dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17096

[Bug c/17096] gcc-3.4.1 allows statements before declarations

[falk at debian dot org]

------- Additional Comments From falk at debian dot org  2004-08-19 08:47 -------
>From the manual:

           The -ansi option does not cause non-ISO programs to be rejected
           gratuitously.  For that, -pedantic is required in addition to
           -ansi.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17096

[Bug c/17096] gcc-3.4.1 allows statements before declarations

[jsm at polyomino dot org dot uk]

------- Additional Comments From jsm at polyomino dot org dot uk  2004-08-19 08:51 -------
Subject: Re:  New: gcc-3.4.1 allows statements before declarations

On Thu, 19 Aug 2004, metze at samba dot org wrote:

> even if I use -ansi (and -Wall -Wshadow -Werror-implicit-function-declaration
> -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings)

So use -pedantic or -Wdeclaration-after-statement.

We are always interested in improving the quality of the manual.  Could 
you let us know how the manual might be improved so that you would have 
noticed the "Mixed Declarations" section documenting this extension, and 
the documentation of -Wdeclaration-after-statement, before making this bug 
report?



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17096

[Bug c/17096] gcc-3.4.1 allows statements before declarations

[metze at samba dot org]

------- Additional Comments From metze at samba dot org  2004-08-19 09:24 -------
Ok, thanks -Wdeclaration-after-statement works
but a -Werror-declaration-after-statement would also be nice



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17096