[Bug c/16586] New: gcc 3.3.3/3.3.4 -O3 -fno-gcse ICE verify_local_live_at_start flow.c:575

["ned at bike-nomad dot com" <gcc-bugzilla at gcc dot gnu dot org>]

This also happens on
gcc 3.3.3 i686-pc-mingw32
gcc 3.3.4 i686-pc-linux

On Linux 3.3.4:

$ gcc -v --save-temps -O3 -fno-gcse buggy2.c
Reading specs from /usr/lib/gcc-lib/i486-linux/3.3.4/specs
Configured with: ../src/configure -v
--enable-languages=c,c++,java,f77,pascal,objc,ada,treelang --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-gxx-include-dir=/usr/include/c++/3.3 --enable-shared --with-system-zlib
--enable-nls --without-included-gettext --enable-__cxa_atexit
--enable-clocale=gnu --enable-debug --enable-java-gc=boehm
--enable-java-awt=xlib --enable-objc-gc i486-linux
Thread model: posix
gcc version 3.3.4 (Debian 1:3.3.4-2)
 /usr/lib/gcc-lib/i486-linux/3.3.4/cc1 -E -quiet -v -D__GNUC__=3
-D__GNUC_MINOR__=3 -D__GNUC_PATCHLEVEL__=4 buggy2.c -fno-gcse -O3 buggy2.i
ignoring nonexistent directory "/usr/i486-linux/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/lib/gcc-lib/i486-linux/3.3.4/include
 /usr/include
End of search list.
 /usr/lib/gcc-lib/i486-linux/3.3.4/cc1 -fpreprocessed buggy2.i -quiet -dumpbase
buggy2.c -auxbase buggy2 -O3 -version -fno-gcse -o buggy2.s
GNU C version 3.3.4 (Debian 1:3.3.4-2) (i486-linux)
        compiled by GNU C version 3.3.4 (Debian 1:3.3.4-2).
GGC heuristics: --param ggc-min-expand=99 --param ggc-min-heapsize=129568
buggy2.c: In function `loadObjectsFrom':
buggy2.c:74: internal compiler error: in verify_local_live_at_start, at flow.c:575


On Mingw32 3.3.3:
$ gcc -v --save-temps -O3 -fno-gcse buggy2.c
Reading specs from c:/GNUTools/bin/../lib/gcc-lib/mingw32/3.3.3/specs
Configured with: ../gcc/configure --with-gcc --with-gnu-ld --with-gnu-as
--host=mingw32 --target=mingw32 --prefix=/mingw --enable-threads --disable-nls
--enable-languages=c,c++,f77,ada,objc,java --disable-win32-registry
--disable-shared --enable-sjlj-exceptions --enable-libgcj --disable-java-awt
--without-x --enable-java-gc=boehm --disable-libgcj-debug --enable-interpreter
--enable-hash-synchronization
Thread model: win32
gcc version 3.3.3 (mingw special)
 c:\GNUTools\bin\..\lib\gcc-lib\mingw32\3.3.3\cc1.exe -E -quiet -v -iprefix
c:\GNUTools\bin\../lib/gcc-lib/mingw32/3.3.3/ -D__GNUC__=3 -D__GNUC_MINOR__=3
-D__GNUC_PATCHLEVEL__=3 buggy2.c -fno-gcse -O3 buggy2.i
ignoring nonexistent directory "c:/GNUTools/mingw32/include"
ignoring nonexistent directory "/mingw/include"
ignoring nonexistent directory "/mingw/include"
ignoring nonexistent directory "/mingw/lib/gcc-lib/mingw32/3.3.3/include"
ignoring nonexistent directory "/mingw/mingw32/include"
ignoring nonexistent directory "/mingw/include"
#include "..." search starts here:
#include <...> search starts here:
 c:/GNUTools/include
 c:/GNUTools/lib/gcc-lib/mingw32/3.3.3/include
End of search list.
 c:\GNUTools\bin\..\lib\gcc-lib\mingw32\3.3.3\cc1.exe -fpreprocessed buggy2.i
-quiet -dumpbase buggy2.c -auxbase buggy2 -O3 -version -fno-gcse -o buggy2.s
GNU C version 3.3.3 (mingw special) (mingw32)
        compiled by GNU C version 3.3.3 (mingw special).
GGC heuristics: --param ggc-min-expand=58 --param ggc-min-heapsize=52670
buggy2.c: In function `loadObjectsFrom':
buggy2.c:74: internal compiler error: in verify_local_live_at_start, at flow.c:575

-- 
           Summary: gcc 3.3.3/3.3.4 -O3 -fno-gcse ICE
                    verify_local_live_at_start flow.c:575
           Product: gcc
           Version: 3.3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ned at bike-nomad dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux
  GCC host triplet: i686-pc-linux
GCC target triplet: i686-pc-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16586