optimization/6093: ICE in merge_if_block, at ifcvt.c:1870

Franz.Sirl-kernel@lauterbach.com Franz.Sirl-kernel@lauterbach.com
Fri Mar 29 12:11:00 GMT 2002

>Number:         6093
>Category:       optimization
>Synopsis:       ICE in merge_if_block, at ifcvt.c:1870
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Fri Mar 29 09:26:00 PST 2002
>Originator:     Franz.Sirl-kernel@lauterbach.com
>Release:        gcc version 3.1 20020328 (prerelease)
gcc/testsuite/gcc.dg/20000906-1.c ICE's on powerpc-linux-gnu if
compiled with -O1 or higher. This is a regression from gcc-3.0.4,
but no "showstopper" (not seen in the wild yet), so it's OK for
me if fixing the ICE is deferred until gcc-3.1.1 or later.
[fsirl@enzo:~]$ gcc -O1 -c /cvsx/gcc31/gcc/testsuite/gcc.dg/20000906-1.c
/cvsx/gcc31/gcc/testsuite/gcc.dg/20000906-1.c: In function `foo':
/cvsx/gcc31/gcc/testsuite/gcc.dg/20000906-1.c:60: Internal compiler error in merge_if_block, at ifcvt.c:1870
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.


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