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authorTomas Bily <tomby@gcc.gnu.org>2008-04-23 14:50:17 +0200
committerTomas Bily <tomby@gcc.gnu.org>2008-04-23 14:50:17 +0200
commita134e5f3702af8504e2744bebd3a034914ab7d40 (patch)
treefc970abad33f221b6b9b0e13eae65c93c720eb12 /gcc/tree-cfg.c
parente24703834e9d89319aaf494cd44f19ac82e30651 (diff)
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tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case.
* tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case. * tree-vrp.c (extract_range_from_unary_expr): Removed unused NON_LVALUE_EXPR. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * tree-ssa-structalias.c (get_constraint_for): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. * varasm.c (const_hash_1, compare_constant, copy_constant) (compute_reloc_for_constant, output_addressed_constants): Likewise. * emit-rtl.c (component_ref_for_mem_expr) (set_mem_attributes_minus_bitpos): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1, ) (is_aligning_offset): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. * dojump.c (do_jump): Likewise. * builtins.c (get_pointer_alignment, get_memory_rtx) (integer_valued_real_p, fold_builtin_next_arg): Likewise. * tree-scalar-evolution.c (instantiate_parameters_1): Likewise. From-SVN: r134591
Diffstat (limited to 'gcc/tree-cfg.c')
-rw-r--r--gcc/tree-cfg.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index f63f6eb..4ab192d 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -3254,6 +3254,9 @@ verify_expr (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED)
}
break;
+ case NON_LVALUE_EXPR:
+ gcc_unreachable ();
+
case NOP_EXPR:
case CONVERT_EXPR:
case FIX_TRUNC_EXPR:
@@ -3261,7 +3264,6 @@ verify_expr (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED)
case NEGATE_EXPR:
case ABS_EXPR:
case BIT_NOT_EXPR:
- case NON_LVALUE_EXPR:
case TRUTH_NOT_EXPR:
CHECK_OP (0, "invalid operand to unary operator");
break;