[Bug c/11654] New: gcc seg fault when using pre-compiled headers and -gstabs

[gcc at tridgell dot net]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11654

           Summary: gcc seg fault when using pre-compiled headers and -
                    gstabs
           Product: gcc
           Version: 3.4
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: gcc at tridgell dot net
                CC: debian-gcc at lists dot debian dot org,gcc-bugs at gcc
                    dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu

I get a "internal compiler error: Segmentation fault" when using pre-compiled
headers and -gstabs and the pre-compiled header is included indirectly via
another include. The bug does not occur without pre-compiled headers.

I am using the Debian unstable gcc-snapshot package, identified as:
    gcc version 3.4 20030706 (experimental)
I have asked the debian maintainer, and apparently this corresponds exactly with
the 20030706 gcc snapshot.

The simplest test case I have found is as follows:

test.c:
    #include "test.h"

    void test(void) {}

test.h:
   #include "includes.h"

includes.h:
   /* an empty header */

Makefile:
   CC=gcc-snapshot
   CFLAGS=-gstabs

   all: includes.h.gch test.o

   test.o: test.c
        $(CC) $(CFLAGS) -c test.c

   includes.h.gch: includes.h
        $(CC) $(CFLAGS) -c includes.h -o includes.h.gch

   clean:
        rm -f *~ *.o *.gch



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