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Bug#667544: marked as done (g++-4.7: ICEs while building crawl)

Your message dated Fri, 1 Jun 2012 10:14:55 +0200
with message-id <20120601081454.GA26771@angband.pl>
and subject line fixed both in -4.7 and in trunk
has caused the Debian Bug report #667544,
regarding g++-4.7: ICEs while building crawl
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
667544: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=667544
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: g++-4.7
Version: 4.7.0-2
Severity: normal

When building Crawl with gcc-4.7 or gcc-snapshot, I get:


In file included from :7797:0:
/usr/include/c++/4.7/bits/stl_tree.h: In function ‘_ZNSt8_Rb_treeI8level_idSt4pairIKS0_St4listI8item_defSaIS4_EEESt10_Select1stIS7_ESt4lessIS0_ESaIS7_EE14_M_lower_boundEPSt13_Rb_tree_nodeIS7_ESG_RS2_.isra.87.1198565.constprop.8126’:
/usr/include/c++/4.7/bits/stl_tree.h:1093:5: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.7/README.Bugs> for instructions.
make[1]: *** [/tmp/ccsYTByt.ltrans1.ltrans.o] Error 1
make[1]: *** Waiting for unfinished jobs....
In file included from :8471:0:
/usr/include/c++/4.7/bits/stl_tree.h: In function ‘_ZNSt8_Rb_treeISsSt4pairIKSs20dungeon_feature_typeESt10_Select1stIS3_ESt4lessISsESaIS3_EE14_M_lower_boundEPSt13_Rb_tree_nodeIS3_ESC_RS1_.isra.106.1728634.constprop.7149’:
/usr/include/c++/4.7/bits/stl_tree.h:1093:0: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.7/README.Bugs> for instructions.
make[1]: *** [/tmp/ccsYTByt.ltrans0.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/bin/ld: fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make: *** [crawl] Error 1


The incantation to do so is:

apt-get source crawl
  # or from upstream git, the trunk has the same problem
cd crawl-0.10.0/source
make GCC=gcc-4.7 GXX=g++-4.7 LTO=y
  # strongly recommended: -j`grep ^processor /proc/cpuinfo|wc -l`

I tried following the upstream docs on how to debug or reduce LTO problems,
but it turns out this is currently beyond me, thus I'm sadly reporting
without a minimal testcase.


-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (150, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-2-amd64 (SMP w/6 CPU cores)
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 g++-4.7 depends on:
ii  gcc-4.7             4.7.0-2
ii  gcc-4.7-base        4.7.0-2
ii  libc6               2.13-27
ii  libcloog-ppl0       0.15.11-4
ii  libgmp10            2:5.0.4+dfsg-1
ii  libgmpxx4ldbl       2:5.0.4+dfsg-1
ii  libmpc2             0.9-4
ii  libmpfr4            3.1.0-4
ii  libppl-c4           0.11.2-6
ii  libppl9             0.11.2-6
ii  libpwl5             0.11.2-6
ii  libstdc++6-4.7-dev  4.7.0-2
ii  zlib1g              1:1.2.6.dfsg-2

g++-4.7 recommends no packages.

Versions of packages g++-4.7 suggests:
pn  g++-4.7-multilib    <none>
pn  gcc-4.7-doc         <none>
pn  libstdc++6-4.7-dbg  <none>

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 4.7.0-8

Sorry for the delay, had some problems with time/motivation to resolve
5689346784 conflicts and gtk-related breakage (ok, I secretly hoped you'd
upload the next snapshot).

So yes, this ICE is no more on gcc-snapshot as well.

Meow!

-- 
I was born an ugly, dumb and work-loving child, then an evil midwife
replaced me in the crib.

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