[Bug 968766] Re: GCC 4.6.3 (cc1) crashes when compiling MPFR 3.1.0

Jan Groenewald jan at aims.ac.za
Thu Apr 24 09:36:35 UTC 2014 

This says status: fix released and milestone: precise-updates since 2012-05.
Is the bug forgotten or expired?

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https://bugs.launchpad.net/bugs/968766

Title:
  GCC 4.6.3 (cc1) crashes when compiling MPFR 3.1.0

Status in The GNU Compiler Collection:
  Fix Released
Status in Linaro GCC:
  Fix Released
Status in Linaro GCC 4.6 series:
  Fix Released
Status in Linaro GCC 4.7 series:
  Fix Released
Status in “gcc-4.6” package in Ubuntu:
  Fix Released
Status in “gcc-4.6” source package in Precise:
  Triaged

Bug description:
  ...
  /bin/bash ../libtool --tag=CC   --mode=compile gcc -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DTIME_WITH_SYS_TIME=1 -DHAVE_LOCALE_H=1 -DHAVE_WCHAR_H=1 -DHAVE_STDARG=1 -DHAVE_SYS_TIME_H=1 -DHAVE_ALLOCA_H=1 -DHAVE_STDINT_H=1 -DHAVE_VA_COPY=1 -DHAVE_SETLOCALE=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_LONG_LONG=1 -DHAVE_INTMAX_T=1 -DMPFR_HAVE_INTMAX_MAX=1 -DMPFR_HAVE_FESETROUND=1 -DHAVE_DENORMS=1 -DHAVE_ROUND=1 -DHAVE_TRUNC=1 -DHAVE_FLOOR=1 -DHAVE_CEIL=1 -DHAVE_NEARBYINT=1 -DHAVE_LDOUBLE_IEEE_EXT_LITTLE=1 -DMPFR_USE_THREAD_SAFE=1 -DLT_OBJDIR=\".libs/\" -DHAVE_ATTRIBUTE_MODE=1 -DHAVE___GMPN_ROOTREM=1 -I. -I../../mpfr-3.1.0/src   -I/home/leif/Sage/sage-5.0.beta10-gcc-4.6.3/local/include  -Wall -Wmissing-prototypes -Wpointer-arith -g -O3 -march=native -O3 -g -fno-strict-aliasing -DHONORS_CFLAGS -MT set_f.lo -MD -MP -MF .deps/set_f.Tpo -c -o set_f.lo ../../mpfr-3.1.0/src/set_f.c
  libtool: compile:  gcc -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DTIME_WITH_SYS_TIME=1 -DHAVE_LOCALE_H=1 -DHAVE_WCHAR_H=1 -DHAVE_STDARG=1 -DHAVE_SYS_TIME_H=1 -DHAVE_ALLOCA_H=1 -DHAVE_STDINT_H=1 -DHAVE_VA_COPY=1 -DHAVE_SETLOCALE=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_LONG_LONG=1 -DHAVE_INTMAX_T=1 -DMPFR_HAVE_INTMAX_MAX=1 -DMPFR_HAVE_FESETROUND=1 -DHAVE_DENORMS=1 -DHAVE_ROUND=1 -DHAVE_TRUNC=1 -DHAVE_FLOOR=1 -DHAVE_CEIL=1 -DHAVE_NEARBYINT=1 -DHAVE_LDOUBLE_IEEE_EXT_LITTLE=1 -DMPFR_USE_THREAD_SAFE=1 -DLT_OBJDIR=\".libs/\" -DHAVE_ATTRIBUTE_MODE=1 -DHAVE___GMPN_ROOTREM=1 -I. -I../../mpfr-3.1.0/src -I/home/leif/Sage/sage-5.0.beta10-gcc-4.6.3/local/include -Wall -Wmissing-prototypes -Wpointer-arith -g -O3 -march=native -O3 -g -fno-strict-aliasing -DHONORS_CFLAGS -MT set_f.lo -MD -MP -MF .deps/set_f.Tpo -c ../../mpfr-3.1.0/src/set_f.c  -fPIC -DPIC -o .libs/set_f.o
  ../../mpfr-3.1.0/src/set_f.c: In function 'mpfr_set_f':
  ../../mpfr-3.1.0/src/set_f.c:27:1: internal compiler error: Segmentation fault
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions.
  Preprocessed source stored into /tmp/ccAHajJU.out file, please attach this to your bugreport.
  make[2]: *** [set_f.lo] Fehler 1
  make[2]: Verlasse Verzeichnis '/tmp/mpfr-3.1.0-build/src'
  make[1]: *** [all] Fehler 2
  make[1]: Verlasse Verzeichnis '/tmp/mpfr-3.1.0-build/src'
  make: *** [all-recursive] Fehler 1

  (The segfault is reproducible.)

  
  CFLAGS taken from an MPIR (2.1.3) installation:

  #define __GMP_CC "gcc" 
  #define __GMP_CFLAGS " -g -O3 -march=native -O3 -g -fno-strict-aliasing -DHONORS_CFLAGS " 

  Note that MPFR compiles just fine with GCC 4.6.3 on various systems,
  including e.g. Ubuntu 10.04.4 LTS x86_64.

  Also, this didn't happen for someone else with a previous beta of
  Precise (although in a 32-bit VM IIRC).

  
  I've attached the preprocessed source, FWIW.  Going to experiment with compiler flags (especially "-march=...") ...

  
  $ lsb_release -rd
  Description:	Ubuntu precise (development branch)
  Release:	12.04

  $ LANG=en_US gcc -v
  Using built-in specs.
  COLLECT_GCC=gcc
  COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper
  Target: x86_64-linux-gnu
  Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.3-1ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++,go --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
  Thread model: posix
  gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu3) 

  $ head -25 /proc/cpuinfo 
  processor	: 0
  vendor_id	: GenuineIntel
  cpu family	: 6
  model		: 42
  model name	: Intel(R) Core(TM) i5-2430M CPU @ 2.40GHz
  stepping	: 7
  microcode	: 0x1a
  cpu MHz		: 800.000
  cache size	: 3072 KB
  physical id	: 0
  siblings	: 4
  core id		: 0
  cpu cores	: 2
  apicid		: 0
  initial apicid	: 0
  fpu		: yes
  fpu_exception	: yes
  cpuid level	: 13
  wp		: yes
  flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid
  bogomips	: 4789.25
  clflush size	: 64
  cache_alignment	: 64
  address sizes	: 36 bits physical, 48 bits virtual
  power management:

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: cpp-4.6 4.6.3-1ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
  Uname: Linux 3.2.0-20-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 1.95-0ubuntu1
  Architecture: amd64
  Date: Fri Mar 30 02:26:29 2012
  EcryptfsInUse: Yes
  ExecutablePath: /usr/lib/gcc/x86_64-linux-gnu/4.6/cc1
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  SourcePackage: gcc-4.6
  UpgradeStatus: No upgrade log present (probably fresh install)

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