http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50859
Bug #: 50859
Summary: ICE when creating integral constant from real value in
a template
Classification: Unclassified
Product: gcc
Version: 4.6.1
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: bitbuc...@mailinator.com
$ curl 'http://169.254.169.254/latest/meta-data/ami-id' && echo
ami-21f53948
$ cat /etc/issue
Ubuntu 11.10 \n \l
$ uname -a
Linux domU-12-31-39-12-AC-DE 3.0.0-12-virtual #20-Ubuntu SMP Fri Oct 7 18:19:02
UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
$ g++ --version
g++ (Ubuntu/Linaro 4.6.1-9ubuntu3) 4.6.1
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ cat ice.cc
template <class T>
void f() {
const int INTEGRAL_CONSTANT = 1.0;
}
$ g++ ice.cc
ice.cc: In function ‘void f()’:
ice.cc:3:33: 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/ccRBRVx3.out file, please attach this to
your bugreport.
$ cat /tmp/ccRBRVx3.out
// /usr/lib/gcc/x86_64-linux-gnu/4.6.1/cc1plus -quiet -imultilib . -imultiarch
x86_64-linux-gnu -D_GNU_SOURCE ice.cc -quiet -dumpbase ice.cc -mtune=generic
-march=x86-64 -auxbase ice -fstack-protector -o - -frandom-seed=0
# 1 "ice.cc"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "ice.cc"
template <class T>
void f() {
const int INTEGRAL_CONSTANT = 1.0;
}
$
This error does not appear in g++ 4.4.1
