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re PR c++/87861 (ICE in output_constructor_regular_field, at varasm.c:5165)

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PR c++/87861
	* class.c (build_vtbl_initializer): For TARGET_VTABLE_USES_DESCRIPTORS
	bump index for each added word.
	* constexpr.c (find_array_ctor_elt): Add forward declaration.
	(cxx_eval_call_expression): Handle TARGET_VTABLE_USES_DESCRIPTORS
	vtable calls.
	(cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Divide token
	by TARGET_VTABLE_USES_DESCRIPTORS if non-zero.

From-SVN: r267032
This commit is contained in:
Jakub Jelinek 2018-12-11 21:37:53 +01:00
parent 3c0517a653
commit 582d2481f7
3 changed files with 70 additions and 25 deletions
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51
gcc/cp/ChangeLog
View file

@ -1,3 +1,14 @@
2018-12-11 Jakub Jelinek <jakub@redhat.com>
PR c++/87861
* class.c (build_vtbl_initializer): For TARGET_VTABLE_USES_DESCRIPTORS
bump index for each added word.
* constexpr.c (find_array_ctor_elt): Add forward declaration.
(cxx_eval_call_expression): Handle TARGET_VTABLE_USES_DESCRIPTORS
vtable calls.
(cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Divide token
by TARGET_VTABLE_USES_DESCRIPTORS if non-zero.
2018-12-11 Marek Polacek <polacek@redhat.com>
PR c++/86608 - reading constexpr volatile variable.
@ -114,7 +125,7 @@
* decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in error message;
print the type too; fix thinko in INDIRECT_TYPE_P use.
2018-12-05 Alexandre Oliva <aoliva@redhat.com>
2018-12-05 Alexandre Oliva <aoliva@redhat.com>
PR c++/85569
* constexpr.c (adjust_temp_type): Test for type equality with
@ -573,7 +584,7 @@
if it is true.
(cp_parser_omp_clause_name): Handle nontemporal, in_reduction and
task_reduction clauses.
(cp_parser_omp_var_list_no_open): Handle
(cp_parser_omp_var_list_no_open): Handle
OMP_CLAUSE_{IN,TASK}_REDUCTION. For OMP_CLAUSE_DEPEND, parse clause
operands as either an array section, or lvalue assignment expression.
(cp_parser_omp_clause_if): Handle cancel and simd modifiers.
@ -801,7 +812,7 @@
PR ipa/81277
* cp-tree.h (DECL_FNAME_P): New macro.
* decl.c (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
(cp_finish_decl):
* lambda.c (is_capture_proxy): Use DECL_FNAME_P.
* pt.c (tsubst_expr): Handle DECL_PRETTY_FUNCTION_P.
@ -926,9 +937,9 @@
2018-10-29 Joseph Myers <joseph@codesourcery.com>
Julian Brown <julian@codesourcery.com>
PR c++/66053
* semantics.c (handle_omp_array_sections_1): Allow array
sections with "this" pointer for OpenACC.
PR c++/66053
* semantics.c (handle_omp_array_sections_1): Allow array
sections with "this" pointer for OpenACC.
2018-10-25 Jason Merrill <jason@redhat.com>
@ -1086,7 +1097,7 @@
* name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
2018-09-28 Eric Botcazou <ebotcazou@adacore.com>
Pierre-Marie de Rodat <derodat@adacore.com>
Pierre-Marie de Rodat <derodat@adacore.com>
* method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
@ -1232,7 +1243,7 @@
case into complain_about_bad_argument.
2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Julian Brown <julian@codesourcery.com>
PR middle-end/86336
* semantics.c (finish_omp_clauses): Treat C++ references the same in
@ -2041,8 +2052,8 @@
information in a few additional error messages.
(grokdeclarator): Update calls.
2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
* parser.c (cp_parser_omp_clause_name): Add support for finalize
@ -2965,7 +2976,7 @@
* cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
2018-04-18 Alexandre Oliva <aoliva@redhat.com>
2018-04-18 Alexandre Oliva <aoliva@redhat.com>
PR c++/80290
* cp-tree.h (struct tinst_level): Split decl into tldcl and
@ -3007,7 +3018,7 @@
for refcount. Release pending_template to freelist.
(instantiating_current_function_p): Use new accessors.
2018-04-16 Alexandre Oliva <aoliva@redhat.com>
2018-04-16 Alexandre Oliva <aoliva@redhat.com>
PR c++/85039
* parser.c (cp_parser_builtin_offset): Reject type definitions.
@ -3249,7 +3260,7 @@
* pt.c (extract_locals_r): Don't record the local specs of variables
declared within the pattern.
2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2018-04-05 Alexandre Oliva <aoliva@redhat.com>
PR c++/84979
* pt.c (check_auto_in_tmpl_args): New.
@ -3331,7 +3342,7 @@
* decl.c (grokfndecl): Handle standard UDL diagnostics here..
* parser.c (cp_parser_unqualified_id): ..not here.
2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2018-04-04 Alexandre Oliva <aoliva@redhat.com>
PR c++/84943
* typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
@ -3392,7 +3403,7 @@
into packs here.
(cp_parser_parameter_declaration_list): Not here.
2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2018-03-31 Alexandre Oliva <aoliva@redhat.com>
PR c++/85027
* class.c (instantiate_type): Peel off SAVE_EXPR before
@ -3446,7 +3457,7 @@
* pt.c (tsubst_default_argument): Early return if the type of the
parameter is erroneous.
2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2018-03-28 Alexandre Oliva <aoliva@redhat.com>
PR c++/84973
* decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
@ -3535,7 +3546,7 @@
PR c++/85033
* semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2018-03-23 Alexandre Oliva <aoliva@redhat.com>
PR c++/71251
* parser.c (cp_parser_alias_declaration): Call
@ -3576,7 +3587,7 @@
(build_special_member_call): Only do C++17 copy elision here if the
argument is already the right type.
2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2018-03-21 Alexandre Oliva <aoliva@redhat.com>
PR c++/71965
* init.c (build_vec_init): Silence error, former sorry,
@ -3944,7 +3955,7 @@
* constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
arguments.
2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2018-03-06 Alexandre Oliva <aoliva@redhat.com>
PR c++/84231
* tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
@ -4096,7 +4107,7 @@
require_potential_rvalue_constant_expression.
2018-03-01 Jason Merrill <jason@redhat.com>
Alexandre Oliva <aoliva@redhat.com>
Alexandre Oliva <aoliva@redhat.com>
PR c++/71569 - ICE with redundant args on member variable template.
* decl.c (start_decl): Handle partial specialization of member

7
gcc/cp/class.c
View file

@ -9351,7 +9351,6 @@ build_vtbl_initializer (tree binfo,
tree vcall_index;
tree fn, fn_original;
tree init = NULL_TREE;
tree idx = size_int (jx++);
fn = BV_FN (v);
fn_original = fn;
@ -9455,7 +9454,7 @@ build_vtbl_initializer (tree binfo,
int i;
if (init == size_zero_node)
for (i = 0; i < TARGET_VTABLE_USES_DESCRIPTORS; ++i)
CONSTRUCTOR_APPEND_ELT (*inits, idx, init);
CONSTRUCTOR_APPEND_ELT (*inits, size_int (jx++), init);
else
for (i = 0; i < TARGET_VTABLE_USES_DESCRIPTORS; ++i)
{
@ -9463,11 +9462,11 @@ build_vtbl_initializer (tree binfo,
fn, build_int_cst (NULL_TREE, i));
TREE_CONSTANT (fdesc) = 1;
CONSTRUCTOR_APPEND_ELT (*inits, idx, fdesc);
CONSTRUCTOR_APPEND_ELT (*inits, size_int (jx++), fdesc);
}
}
else
CONSTRUCTOR_APPEND_ELT (*inits, idx, init);
CONSTRUCTOR_APPEND_ELT (*inits, size_int (jx++), init);
}
}

37
gcc/cp/constexpr.c
View file

@ -41,6 +41,9 @@ do { \
return t; \
} while (0)
static HOST_WIDE_INT find_array_ctor_elt (tree ary, tree dindex,
bool insert = false);
/* Returns true iff FUN is an instantiation of a constexpr function
template or a defaulted constexpr function. */
@ -1516,6 +1519,36 @@ cxx_eval_call_expression (const constexpr_ctx *ctx, tree t,
STRIP_NOPS (fun);
if (TREE_CODE (fun) == ADDR_EXPR)
fun = TREE_OPERAND (fun, 0);
/* For TARGET_VTABLE_USES_DESCRIPTORS targets, there is no
indirection, the called expression is a pointer into the
virtual table which should contain FDESC_EXPR. Extract the
FUNCTION_DECL from there. */
else if (TARGET_VTABLE_USES_DESCRIPTORS
&& TREE_CODE (fun) == POINTER_PLUS_EXPR
&& TREE_CODE (TREE_OPERAND (fun, 0)) == ADDR_EXPR
&& TREE_CODE (TREE_OPERAND (fun, 1)) == INTEGER_CST)
{
tree d = TREE_OPERAND (TREE_OPERAND (fun, 0), 0);
if (VAR_P (d)
&& DECL_VTABLE_OR_VTT_P (d)
&& TREE_CODE (TREE_TYPE (d)) == ARRAY_TYPE
&& TREE_TYPE (TREE_TYPE (d)) == vtable_entry_type
&& DECL_INITIAL (d)
&& TREE_CODE (DECL_INITIAL (d)) == CONSTRUCTOR)
{
tree i = int_const_binop (TRUNC_DIV_EXPR, TREE_OPERAND (fun, 1),
TYPE_SIZE_UNIT (vtable_entry_type));
HOST_WIDE_INT idx = find_array_ctor_elt (DECL_INITIAL (d), i);
if (idx >= 0)
{
tree fdesc
= (*CONSTRUCTOR_ELTS (DECL_INITIAL (d)))[idx].value;
if (TREE_CODE (fdesc) == FDESC_EXPR
&& integer_zerop (TREE_OPERAND (fdesc, 1)))
fun = TREE_OPERAND (fdesc, 0);
}
}
}
}
if (TREE_CODE (fun) != FUNCTION_DECL)
{
@ -2240,7 +2273,7 @@ array_index_cmp (tree key, tree index)
if none. If INSERT is true, insert a matching element rather than fail. */
static HOST_WIDE_INT
find_array_ctor_elt (tree ary, tree dindex, bool insert = false)
find_array_ctor_elt (tree ary, tree dindex, bool insert)
{
if (tree_int_cst_sgn (dindex) < 0)
return -1;
@ -4834,6 +4867,8 @@ cxx_eval_constant_expression (const constexpr_ctx *ctx, tree t,
/* Find the function decl in the virtual functions list. TOKEN is
the DECL_VINDEX that says which function we're looking for. */
tree virtuals = BINFO_VIRTUALS (TYPE_BINFO (objtype));
if (TARGET_VTABLE_USES_DESCRIPTORS)
token /= MAX (TARGET_VTABLE_USES_DESCRIPTORS, 1);
r = TREE_VALUE (chain_index (token, virtuals));
break;
}