CVSROOT: /sources/m4
Module name: m4
Branch: branch-1_4
Changes by: Eric Blake <ericb> 06/06/27 13:31:44
Modified files:
. : ChangeLog NEWS
doc : m4.texinfo
src : eval.c
Log message:
* doc/m4.texinfo (Eval): Document 32-bit signed limitations
required by POSIX, and add example that exposed core dump on x86
architectures.
(Incompatibilities): Document incompatibility in eval precedence.
* src/eval.c (shift_term): Explicitly mask, to avoid undefined
behavior.
(mult_term): Explicitly check for -1, to avoid SIGFPE on x86.
* NEWS: Document this change.
CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.87&r2=1.1.1.1.2.88
http://cvs.savannah.gnu.org/viewcvs/m4/NEWS?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.25&r2=1.1.1.1.2.26
http://cvs.savannah.gnu.org/viewcvs/m4/doc/m4.texinfo?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.25&r2=1.1.1.1.2.26
http://cvs.savannah.gnu.org/viewcvs/m4/src/eval.c?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.3&r2=1.1.1.1.2.4
