[Bug c/23580] New: GCC 3.4.4 does not detect duplicate enum values.

[castor at 3pardata dot com]

:marais; cat enum.c
/* This fails to generate errors on gcc 3.4.4  but works on 3.3.3 and 3.3.6 */
enum {
KERN_KDB = 69,
KERN_KDB = 70
};
:marais; 
:marais; /share/soft/gnu/gcc/3.4.4/bin/gcc -v -save-temps enum.c
Reading specs from 
/share/soft/gnu/gcc/3.4.4/lib/gcc/i686-pc-linux-gnu/3.4.4/specs
Configured with: ../gcc-3.4.4/configure --prefix=/share/soft/gnu/gcc/3.4.4
Thread model: posix
gcc version 3.4.4
 /share/soft/gnu/gcc/3.4.4/libexec/gcc/i686-pc-linux-gnu/3.4.4/cc1 -E -quiet -v
enum.c -mtune=pentiumpro -o enum.i
ignoring nonexistent directory
"/share/soft/gnu/gcc/3.4.4/lib/gcc/i686-pc-linux-gnu/3.4.4/../../../../i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /share/soft/gnu/gcc/3.4.4/include
 /share/soft/gnu/gcc/3.4.4/lib/gcc/i686-pc-linux-gnu/3.4.4/include
 /usr/include
End of search list.
 /share/soft/gnu/gcc/3.4.4/libexec/gcc/i686-pc-linux-gnu/3.4.4/cc1
-fpreprocessed enum.i -quiet -dumpbase enum.c -mtune=pentiumpro -auxbase enum
-version -o enum.s
GNU C version 3.4.4 (i686-pc-linux-gnu)
compiled by GNU C version 3.4.4.
GGC heuristics: --param ggc-min-expand=46 --param ggc-min-heapsize=31827
 as -V -Qy -o enum.o enum.s
GNU assembler version 2.11.2 (i686-pc-linux-gnu) using BFD version 2.11.2
 /share/soft/gnu/gcc/3.4.4/libexec/gcc/i686-pc-linux-gnu/3.4.4/collect2
--eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/crt1.o
/usr/lib/crti.o
/share/soft/gnu/gcc/3.4.4/lib/gcc/i686-pc-linux-gnu/3.4.4/crtbegin.o
-L/share/soft/gnu/gcc/3.4.4/lib/gcc/i686-pc-linux-gnu/3.4.4
-L/share/soft/gnu/gcc/3.4.4/lib/gcc/i686-pc-linux-gnu/3.4.4/../../.. enum.o
-lgcc -lgcc_eh -lc -lgcc -lgcc_eh
/share/soft/gnu/gcc/3.4.4/lib/gcc/i686-pc-linux-gnu/3.4.4/crtend.o 
/usr/lib/crtn.o
/usr/bin/ld: unrecognized option '--eh-frame-hdr'
/usr/bin/ld: use the --help option for usage information
collect2: ld returned 1 exit status

-- 
   Summary: GCC 3.4.4 does not detect duplicate enum values.
   Product: gcc
   Version: 3.4.4
Status: UNCONFIRMED
  Severity: normal
  Priority: P2
 Component: c
AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: castor at 3pardata dot com
CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23580

[Bug c/23580] GCC 3.4.4 does not detect duplicate enum values.

[castor at 3pardata dot com]

--- Additional Comments From castor at 3pardata dot com  2005-08-26 17:38 
---
For comparison, here is output that I expect:
:marais; /share/soft/gnu/gcc/3.3.3/bin/gcc -v -c  -save-temps enum.c
Reading specs from
/share/soft/gnu/gcc/3.3.3/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/specs
Configured with: ../gcc-3.3.3/configure --prefix=/share/soft/gnu/gcc/3.3.3
Thread model: posix
gcc version 3.3.3
 /share/soft/gnu/gcc/3.3.3/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/cc1 -E -quiet -v
-D__GNUC__=3 -D__GNUC_MINOR__=3 -D__GNUC_PATCHLEVEL__=3 enum.c enum.i
ignoring nonexistent directory 
"/share/soft/gnu/gcc/3.3.3/i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /share/soft/gnu/gcc/3.3.3/include
 /share/soft/gnu/gcc/3.3.3/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/include
 /usr/include
End of search list.
 /share/soft/gnu/gcc/3.3.3/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/cc1
-fpreprocessed enum.i -quiet -dumpbase enum.c -auxbase enum -version -o enum.s
GNU C version 3.3.3 (i686-pc-linux-gnu)
compiled by GNU C version 3.3.3.
GGC heuristics: --param ggc-min-expand=46 --param ggc-min-heapsize=31827
enum.c:5: error: redefinition of `KERN_KDB'
enum.c:3: error: `KERN_KDB' previously defined here


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23580