[Bug preprocessor/21410] New: Infinite memory usage in preprocessor

["lucier at math dot purdue dot edu" <gcc-bugzilla at gcc dot gnu dot org>]

You guys will like this one ...

The most recent test is with 4.0.0 on Red Hat Enterprise Linux 4.0, but it also
happens with 3.4.3 and 4.0.0 on sparc-sun-solaris2.9.

In

http://www.math.purdue.edu/~lucier/bugzilla/6/

you'll find compressed versions of test2.c and gambit.h.  With this command line

peano-66% /pkgs/gcc-4.0.0/bin/gcc -Wall -W -Wno-unused -O1 -fno-math-errno
-fschedule-insns2 -fno-trapping-math -fno-strict-aliasing -fomit-frame-pointer
-fPIC -fno-common -mieee-fp -rdynamic -shared -D___DYNAMIC -D___SINGLE_HOST -E
test2.c -v > ! test2.i
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --prefix=/pkgs/gcc-4.0.0
Thread model: posix
gcc version 4.0.0
 /export/pkgs/gcc-4.0.0/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.0.0/cc1 -E
-quiet -v -iprefix
/export/pkgs/gcc-4.0.0/bin/../lib/gcc/x86_64-unknown-linux-gnu/4.0.0/
-D___DYNAMIC -D___SINGLE_HOST test2.c -mieee-fp -mtune=k8 -Wall -W -Wno-unused
-fno-math-errno -fschedule-insns2 -fno-trapping-math -fno-strict-aliasing
-fomit-frame-pointer -fPIC -fno-common -O1
ignoring nonexistent directory
"/export/pkgs/gcc-4.0.0/bin/../lib/gcc/x86_64-unknown-linux-gnu/4.0.0/../../../../x86_64-unknown-linux-gnu/include"
ignoring nonexistent directory "/usr/local/include"
ignoring duplicate directory
"/pkgs/gcc-4.0.0/lib/gcc/x86_64-unknown-linux-gnu/4.0.0/include"
ignoring nonexistent directory
"/pkgs/gcc-4.0.0/lib/gcc/x86_64-unknown-linux-gnu/4.0.0/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /export/pkgs/gcc-4.0.0/bin/../lib/gcc/x86_64-unknown-linux-gnu/4.0.0/include
 /pkgs/gcc-4.0.0/include
 /usr/include
End of search list.

memory is rapidly exhausted (even with 16GB of virtual memory).

Brad

-- 
           Summary: Infinite memory usage in preprocessor
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: preprocessor
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: lucier at math dot purdue dot edu
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21410