re PR c++/91925 (-fpack-struct causes a decltype with template to ICE)
PR c++/91925 * c-warn.c (check_alignment_of_packed_member): Ignore FIELD_DECLs with NULL DECL_FIELD_OFFSET. * g++.dg/conversion/packed2.C: New test. From-SVN: r276415
This commit is contained in:
parent
04bf300e86
commit
7552c36afa
|
@ -1,3 +1,9 @@
|
|||
2019-10-01 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
PR c++/91925
|
||||
* c-warn.c (check_alignment_of_packed_member): Ignore FIELD_DECLs
|
||||
with NULL DECL_FIELD_OFFSET.
|
||||
|
||||
2019-10-01 Richard Sandiford <richard.sandiford@arm.com>
|
||||
|
||||
* c-pretty-print.c (pp_c_specifier_qualifier_list): If a vector type
|
||||
|
|
|
@ -2798,6 +2798,8 @@ check_alignment_of_packed_member (tree type, tree field, bool rvalue)
|
|||
/* Check alignment of the data member. */
|
||||
if (TREE_CODE (field) == FIELD_DECL
|
||||
&& (DECL_PACKED (field) || TYPE_PACKED (TREE_TYPE (field)))
|
||||
/* Ignore FIELDs not laid out yet. */
|
||||
&& DECL_FIELD_OFFSET (field)
|
||||
&& (!rvalue || TREE_CODE (TREE_TYPE (field)) == ARRAY_TYPE))
|
||||
{
|
||||
/* Check the expected alignment against the field alignment. */
|
||||
|
|
|
@ -1,3 +1,8 @@
|
|||
2019-10-01 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
PR c++/91925
|
||||
* g++.dg/conversion/packed2.C: New test.
|
||||
|
||||
2019-10-01 Bill Schmidt <wschmdit@linux.ibm.com>
|
||||
|
||||
* gcc.target/powerpc/pr91275.c: New.
|
||||
|
|
|
@ -0,0 +1,15 @@
|
|||
// PR c++/91925
|
||||
// { dg-do compile { target c++11 } }
|
||||
// { dg-options "-fpack-struct" }
|
||||
|
||||
struct A {};
|
||||
int foo (A);
|
||||
struct B {
|
||||
A a;
|
||||
decltype (foo (a)) p;
|
||||
};
|
||||
template <typename T> T bar (T);
|
||||
class C {
|
||||
A a;
|
||||
decltype (bar (a)) p;
|
||||
};
|
Loading…
Reference in New Issue