[Bug 972196] [NEW] internal compiler error in fold_convert_const_int_from_real

[Jay Foad]

Public bug reported:

With the attached source I get:

$ gcc -c float_guts.cpp
float_guts.cpp: In function ‘void run(__restrict__ T*, const __restrict__ T*, const __restrict__ T*)’:
float_guts.cpp:4:16: internal compiler error: in fold_convert_const_int_from_real, at fold-const.c:1562
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/ccph91Zn.out file, please attach this to your bugreport.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: gcc 4:4.6.1-2ubuntu5
ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
Uname: Linux 3.0.0-17-generic x86_64
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Tue Apr  3 08:57:28 2012
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406.1)
SourcePackage: gcc-defaults
UpgradeStatus: Upgraded to oneiric on 2011-11-17 (137 days ago)

** Affects: gcc-defaults (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug oneiric running-unity

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https://bugs.launchpad.net/bugs/972196

Title:
  internal compiler error in fold_convert_const_int_from_real

Status in “gcc-defaults” package in Ubuntu:
  New

Bug description:
  With the attached source I get:

  $ gcc -c float_guts.cpp
  float_guts.cpp: In function ‘void run(__restrict__ T*, const __restrict__ T*, const __restrict__ T*)’:
  float_guts.cpp:4:16: internal compiler error: in fold_convert_const_int_from_real, at fold-const.c:1562
  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/ccph91Zn.out file, please attach this to your bugreport.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: gcc 4:4.6.1-2ubuntu5
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic x86_64
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Tue Apr  3 08:57:28 2012
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406.1)
  SourcePackage: gcc-defaults
  UpgradeStatus: Upgraded to oneiric on 2011-11-17 (137 days ago)

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