https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94951
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Keywords| |diagnostic
Last reconfirmed| |2020-05-05
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
We're warning via
#0 warning_at (location=426247, opt=664,
gmsgid=0x2a36f08 "dereferencing type-punned pointer will break
strict-aliasing rules") at ../../src/trunk/gcc/diagnostic.c:1442
#1 0x0000000000e324c9 in strict_aliasing_warning (loc=426247,
type=<pointer_type 0x7ffff6d9fbd0>, expr=<addr_expr 0x7ffff6d97480>)
at ../../src/trunk/gcc/c-family/c-warn.c:729
#2 0x0000000000d45def in cp_build_indirect_ref_1 (loc=426535,
ptr=<nop_expr 0x7ffff6d974a0>, errorstring=RO_NULL, complain=3,
do_fold=true) at ../../src/trunk/gcc/cp/typeck.c:3364
#3 0x0000000000d46191 in cp_build_fold_indirect_ref (
pointer=<nop_expr 0x7ffff6d974a0>) at ../../src/trunk/gcc/cp/typeck.c:3444
#4 0x00000000009ecb7a in build_base_path (code=PLUS_EXPR,
expr=<nop_expr 0x7ffff6d974a0>, binfo=<tree_binfo 0x7ffff6da0060>,
nonnull=1, complain=3) at ../../src/trunk/gcc/cp/class.c:513
#5 0x0000000000d4309f in build_class_member_access_expr (object=...,
member=<field_decl 0x7ffff6d9eab0 someData>,
access_path=<record_type 0x7ffff6d9f5e8 B>, preserve_reference=false,
complain=3) at ../../src/trunk/gcc/cp/typeck.c:2603
#6 0x0000000000d45377 in finish_class_member_access_expr (object=...,
name=<identifier_node 0x7ffff6d9b980 someData>, template_p=false,
complain=3) at ../../src/trunk/gcc/cp/typeck.c:3209
