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Bug#634964: gcc-4.4: internal compiler error with march=loongson2f

Package: gcc-4.4
Version: 4.4.5-8
Severity: normal
File: /usr/bin/gcc-4.4


The attached file causes an internal compiler error when compiled on
debian squeeze (mipsel):

  gcc -Os -mabi=64 -march=loongson2f -mno-branch-likely gccbug2.i \
		-c -o /dev/null

  gccbug2.i: In function ‘lpfc_pci_function_reset’:
  gccbug2.i:36847: internal compiler error: Segmentation fault
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-4.4/README.Bugs> for instructions.

The source file is a preprocessed, slightly trimmed version of the linux
kernel source drivers/scsi/lpfc/lpfc_init.c.  I.e. attempts to build the
debian wheezy kernel package for loongson currently fail (deactivating
the module in the kernel config trivially fixes the problem, though).

The same compiler error is triggered on amd64 when trying to
cross-compile the source file using the compiler provided by emdebian
package gcc-4.4-mipsel-linux-gnu (version 4.4.5-8) [1].

Apologies for the 146kB attachment.  My primitive attempts to further
reduce the size of the source file unfortunately made the bug go away.




-- System Information:
Debian Release: 6.0.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: mipsel (mips64)

Kernel: Linux
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gcc-4.4 depends on:
ii  binutils                      2.20.1-16  The GNU assembler, linker and bina
ii  cpp-4.4                       4.4.5-8    The GNU C preprocessor
ii  gcc-4.4-base                  4.4.5-8    The GNU Compiler Collection (base 
ii  libc6                         2.11.2-10  Embedded GNU C Library: Shared lib
ii  libgcc1                       1:4.4.5-8  GCC support library
ii  libgomp1                      4.4.5-8    GCC OpenMP (GOMP) support library

Versions of packages gcc-4.4 recommends:
ii  libc6-dev                     2.11.2-10  Embedded GNU C Library: Developmen

Versions of packages gcc-4.4 suggests:
ii  gcc-4.4-doc                  4.4.4.nf1-1 documentation for the GNU compiler
pn  gcc-4.4-locales              <none>      (no description available)
ii  gcc-4.4-multilib             4.4.5-8     The GNU C compiler (multilib files
pn  libcloog-ppl0                <none>      (no description available)
pn  libgcc1-dbg                  <none>      (no description available)
pn  libgomp1-dbg                 <none>      (no description available)
pn  libmudflap0-4.4-dev          <none>      (no description available)
pn  libmudflap0-dbg              <none>      (no description available)
pn  libppl-c2                    <none>      (no description available)
pn  libppl7                      <none>      (no description available)

-- no debconf information

GnuPG public key: http://dvdkhlng.users.sourceforge.net/dk.gpg
Fingerprint: B17A DC95 D293 657B 4205  D016 7DEF 5323 C174 7D40

Attachment: gccbug2.tar.bz2
Description: Binary data

Attachment: pgpVTxyvHIyCQ.pgp
Description: PGP signature

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