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Date: Tue, 27 Feb 2007 13:26:00 -0000
Subject: [Bug fortran/30981]  New: Program "Hangs"
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From: "ray at ultramarine dot com" <gcc-bugzilla@gcc.gnu.org>
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If a has a value of +Infinity, then a program will "hang" (run forever) when

    b = x**a      
is executed.

The traceback shows that this occurs in the library routine pow_r4_i4

 uname -a
 ========

 Linux devlop 2.6.16.13-4-smp #1 SMP Wed May 3 04:53:23 UTC 2006 x86_64 x86_64
x86_64 GNU/Linux

gfortran -v   
=======

 Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /e_source/gcc-4.1.1/configure --prefix=/add/linux64/gcc4.1.1
 Thread model: posix
 gcc version 4.1.1


-- 
           Summary: Program "Hangs"
           Product: gcc
           Version: 4.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ray at ultramarine dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30981