+2011-10-21 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/45385
+ * c-common.c (conversion_warning): Remove code looking for
+ artificial operands.
+
2011-10-18 Dodji Seketeli <dodji@redhat.com>
PR bootstrap/50760
static void
conversion_warning (tree type, tree expr)
{
- int i;
- const int expr_num_operands = TREE_OPERAND_LENGTH (expr);
tree expr_type = TREE_TYPE (expr);
location_t loc = EXPR_LOC_OR_HERE (expr);
if (!warn_conversion && !warn_sign_conversion)
return;
- /* If any operand is artificial, then this expression was generated
- by the compiler and we do not warn. */
- for (i = 0; i < expr_num_operands; i++)
- {
- tree op = TREE_OPERAND (expr, i);
- if (op && DECL_P (op) && DECL_ARTIFICIAL (op))
- return;
- }
-
switch (TREE_CODE (expr))
{
case EQ_EXPR:
+2011-10-21 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/45385
+ * init.c (build_vec_init): Early return error_mark_node if
+ maxindex is -1.
+
2011-10-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/31423
if (TREE_CODE (atype) == ARRAY_TYPE && TYPE_DOMAIN (atype))
maxindex = array_type_nelts (atype);
- if (maxindex == NULL_TREE || maxindex == error_mark_node)
+ if (maxindex == NULL_TREE || maxindex == error_mark_node
+ || integer_all_onesp (maxindex))
return error_mark_node;
if (explicit_value_init_p)
+2011-10-21 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/45385
+ * g++.dg/warn/Wconversion4.C: New.
+
2011-10-21 Jakub Jelinek <jakub@redhat.com>
PR target/50813
--- /dev/null
+// PR c++/45385
+// { dg-options "-Wconversion" }
+
+void foo(unsigned char);
+
+class Test
+{
+ void eval()
+ {
+ foo(bar()); // { dg-warning "may alter its value" }
+ }
+
+ unsigned int bar() const
+ {
+ return __INT_MAX__ * 2U + 1;
+ }
+};