[Bug middle-end/21897] [4.1 Regression] Segementation fault in fold_ternary

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-06-06 
19:26 -------
Subject: Bug 21897

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2005-06-06 19:26:10

Modified files:
        gcc            : ChangeLog fold-const.c 
        gcc/testsuite  : ChangeLog 
Added files:
        gcc/testsuite/gcc.c-torture/execute: 20050604-1.c 

Log message:
        * fold-const.c (operand_equal_p): Don't return 1, if element
        chains for 2 VECTOR_CSTs are not the same length.
        
        PR regression/21897
        * fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
        not all VECTOR_CST elements are given.
        
        * gcc.c-torture/execute/20050604-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9055&r2=2.9056
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.591&r2=1.592
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5603&r2=1.5604
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050604-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21897