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re PR tree-optimization/29439 (ICE in fold-const.c:1385 with -O1 -fwrapv -ftree-vrp) 

2006-11-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/29439
        * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
        checking for overflow.

From-SVN: r118530
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Andrew Pinski 2006-11-06 23:25:19 +00:00 committed by Andrew Pinski
parent abe601c7cb
commit 3ea0e1e4d3
2 changed files with 7 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/29439
* tree-vrp.c (vrp_int_const_binop): Use the correct tree when
checking for overflow.
2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
* configure.ac: Fixed typo in case statement: :: changed to ;;

2
gcc/tree-vrp.c
View File

@ -1177,7 +1177,7 @@ vrp_int_const_binop (enum tree_code code, tree val1, tree val2)
else if (code == MULT_EXPR && !integer_zerop (val1))
{
tree tmp = int_const_binop (TRUNC_DIV_EXPR,
TYPE_MAX_VALUE (TREE_TYPE (val1)),
res,
val1, 0);
int check = compare_values (tmp, val2);