On Jan 7, 2009, at 12:44 PM, "gnu at bluedreamer dot com" <gcc-bugzi...@gcc.gnu.org
> wrote:
When a pointer to type is typedef'ed to a new type gcc incorrectly
warns about
const modifier if new typedef is used in function return type.
gcc info:
dluadrianc:/home/adrianc> gcc -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../gcc-4.3.1/configure --prefix=/usr --enable-
languages=c,c++
--enable-shared --enable-threads=posix
Thread model: posix
gcc version 4.3.1 (GCC)
Command line:g++ -save-temps -Wall -ansi -Wextra -pedantic -Werror
const.cc
Error message:
cc1plus: warnings being treated as errors
const.cc:10: error: type qualifiers ignored on function return type
Code
# 1 "const.cc"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "const.cc"
class Foo { };
const Foo *func1()
{
return 0;
}
typedef Foo* Bar;
const Bar func2()
The const here is applying to the pointer type and not what the
pointer points to so the warning is correct.
{
return 0;
}
int main(int , char *[])
{
func1();
func2();
return 0;
}
--
Summary: Incorrect warning/error when compiling with a
typedef'ed
ptr return type
Product: gcc
Version: 4.3.1
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: gnu at bluedreamer dot com
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38759
