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From: "danglin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/58491] FAIL: ext/random/normal_mv_distribution/cons/default.cc (test for excess errors)
Date: Sat, 21 Sep 2013 14:35:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58491

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|target                      |tree-optimization

--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> ---
Breakpoint 1, build_polynomial_chrec (loop_num=1, left=0x800003fffdad94e0, 
    right=0x800003fffddc0640) at ../../gcc/gcc/tree-chrec.h:148
148        gcc_assert (TREE_TYPE (left) == TREE_TYPE (right));
(gdb) list
143    
144      /* Types of left and right sides of a chrec should be compatible.  */
145      if (POINTER_TYPE_P (TREE_TYPE (left)))
146        gcc_assert (ptrofftype_p (TREE_TYPE (right)));
147      else
148        gcc_assert (TREE_TYPE (left) == TREE_TYPE (right));
149    
150      if (chrec_zerop (right))
151        return left;
152    
(gdb) p debug_tree (left)
 <integer_cst 800003fffdad94e0 type <integer_type 800003fffddcf7e0 long
unsigned int> constant 16>
$1 = void
(gdb) p debug_tree (right)
 <integer_cst 800003fffddc0640 type <integer_type 800003fffddcf000 sizetype>
constant 8>
$2 = void
(gdb) bt
#0  build_polynomial_chrec (loop_num=1, left=0x800003fffdad94e0, 
    right=0x800003fffddc0640) at ../../gcc/gcc/tree-chrec.h:148
#1  0x400000000174c804 in chrec_fold_plus_1 (code=PLUS_EXPR, 
    type=0x800003fffddcf7e0, op0=0x800003fffbec1540, op1=0x800003fffd422c60)
    at ../../gcc/gcc/tree-chrec.c:290
#2  0x400000000174c804 in chrec_fold_plus_1 (code=PLUS_EXPR, 
    type=0x800003fffddcf7e0, op0=0x800003fffbec1540, op1=0x800003fffd422c60)
    at ../../gcc/gcc/tree-chrec.c:290

I believe "long unsigned int" and "sizetype" are compatilble.