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* [Bug c++/22551] New: [ICE] in tree_low_cst, at tree.c:3843
@ 2005-07-18 17:22 emailwastefilter-bugzillagccorg at yahoo dot com
  2005-07-18 17:27 ` [Bug c++/22551] " emailwastefilter-bugzillagccorg at yahoo dot com
                   ` (6 more replies)
  0 siblings, 7 replies; 20+ messages in thread
From: emailwastefilter-bugzillagccorg at yahoo dot com @ 2005-07-18 17:22 UTC (permalink / raw)
  To: gcc-bugs

This code was distilled from debian source pose_3.5-7.dsc (The Palm OS Emulator).

The bug manifests after a number of "warning: overflow in implicit constant
conversion" and then "internal compiler error: in tree_low_cst, at tree.c:3843".
 There must be at least 5 warnings or the ICE does not appear.

This Debian sid on an AMD64.  g++-3.4 (gcc version 3.4.5 20050706 (prerelease)
(Debian 3.4.4-5)) does NOT exhibit this bug.

command line:
$ g++-4.0 -c testcase.cpp

output:
testcase.cpp: In function 'int main(value_type)':
testcase.cpp:12: warning: overflow in implicit constant conversion
testcase.cpp:13: warning: overflow in implicit constant conversion
testcase.cpp:14: warning: overflow in implicit constant conversion
testcase.cpp:15: warning: overflow in implicit constant conversion
testcase.cpp:16: warning: overflow in implicit constant conversion
testcase.cpp:10: internal compiler error: in tree_low_cst, at tree.c:3843
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.0/README.Bugs>.

--testcase.cpp--
typedef int value_type;
const value_type b = 0x80000000;
const value_type e1 = b + 1;
const value_type e2 = b + 2;
const value_type e3 = b + 3;
const value_type e4 = b + 4;
const value_type e5 = b + 5;
int main (value_type error)
{
  switch (error)
  {
   case e1: return 0;
   case e2: return 0;
   case e3: return 0;
   case e4: return 0;
   case e5: return 0;
 }
}
--testcase.cpp--

gcc -v:
Using built-in specs.
Target: x86_64-linux-gnu
Configured with: ../src/configure -v
--enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib --enable-nls
--without-included-gettext --enable-threads=posix --program-suffix=-4.0
--enable-__cxa_atexit --enable-libstdcxx-allocator=mt --enable-clocale=gnu
--enable-libstdcxx-debug --enable-java-gc=boehm --enable-java-awt=gtk-default
--with-java-home=/usr/lib/jvm/java-1.4.2-gcj-4.0-1.4.2.0/jre --enable-mpfr
--disable-werror --enable-checking=release x86_64-linux-gnu
Thread model: posix
gcc version 4.0.1 (Debian 4.0.1-2)

-- 
           Summary: [ICE] in tree_low_cst, at tree.c:3843
           Product: gcc
           Version: 4.0.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: emailwastefilter-bugzillagccorg at yahoo dot com
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22551


^ permalink raw reply	[flat|nested] 20+ messages in thread
[parent not found: <bug-22551-11017@http.gcc.gnu.org/bugzilla/>]
end of thread, other threads:[~2005-10-19 12:50 UTC | newest]

Thread overview: 20+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2005-07-18 17:22 [Bug c++/22551] New: [ICE] in tree_low_cst, at tree.c:3843 emailwastefilter-bugzillagccorg at yahoo dot com
2005-07-18 17:27 ` [Bug c++/22551] " emailwastefilter-bugzillagccorg at yahoo dot com
2005-07-18 17:41 ` [Bug c++/22551] [4.0/4.1 Regression] " pinskia at gcc dot gnu dot org
2005-07-18 18:05 ` emailwastefilter-bugzillagccorg at yahoo dot com
2005-07-18 18:07 ` pinskia at gcc dot gnu dot org
2005-09-10  3:17 ` pinskia at gcc dot gnu dot org
2005-09-12 20:48 ` pinskia at gcc dot gnu dot org
2005-09-27 16:24 ` mmitchel at gcc dot gnu dot org
     [not found] <bug-22551-11017@http.gcc.gnu.org/bugzilla/>
2005-10-13 11:52 ` nathan at gcc dot gnu dot org
2005-10-14 12:55 ` cvs-commit at gcc dot gnu dot org
2005-10-14 13:00 ` nathan at gcc dot gnu dot org
2005-10-14 13:01 ` cvs-commit at gcc dot gnu dot org
2005-10-16  9:02 ` nathan at gcc dot gnu dot org
2005-10-16 22:07 ` mmitchel at gcc dot gnu dot org
2005-10-17  8:36 ` nathan at gcc dot gnu dot org
2005-10-17 13:54 ` cvs-commit at gcc dot gnu dot org
2005-10-17 13:57 ` nathan at gcc dot gnu dot org
2005-10-17 13:57 ` cvs-commit at gcc dot gnu dot org
2005-10-19 12:48 ` cvs-commit at gcc dot gnu dot org
2005-10-19 12:50 ` nathan at gcc dot gnu dot org

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