https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94780
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |8.5
Priority|P3 |P2
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
It ICEs during ICEing:
#1 0x00000000014351c4 in convert_nonlocal_reference_op (tp=0x7ffff6d904e8,
walk_subtrees=0x7fffffffd448, data=0x7fffffffd9e0)
at ../../src/trunk/gcc/tree-nested.c:1062
1062 IDENTIFIER_POINTER (DECL_NAME
(target_context)),
(gdb) l
1057 /* If none of the outer contexts is the target context,
this means
1058 that the VAR or PARM_DECL is referenced in a wrong
context. */
1059 if (!i)
1060 internal_error ("%s from %s referenced in %s",
1061 IDENTIFIER_POINTER (DECL_NAME (t)),
1062 IDENTIFIER_POINTER (DECL_NAME
(target_context)),
1063 IDENTIFIER_POINTER (DECL_NAME
(info->context)));
1064
1065 x = lookup_field_for_decl (i, t, INSERT);
1066 x = get_frame_field (info, target_context, x, &wi->gsi);
(gdb) p target_context
$1 = <tree 0x0>
target_context is also NULL(?)
(gdb) p debug_tree (t)
<var_decl 0x7ffff6d94120 D.1944
type <integer_type 0x7ffff6c56690 unsigned int public unsigned SI
size <integer_cst 0x7ffff6c3df18 constant 32>
unit-size <integer_cst 0x7ffff6c3df30 constant 4>
align:32 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7ffff6c56690 precision:32 min <integer_cst 0x7ffff6c3df48 0> max <integer_cst
0x7ffff6c3df00 4294967295>
pointer_to_this <pointer_type 0x7ffff6c660a8>>
used unsigned ignored SI x.c:10:8 size <integer_cst 0x7ffff6c3df18 32>
unit-size <integer_cst 0x7ffff6c3df30 4>
align:32 warn_if_not_align:0>
$6 = void
it's from the LHS of
D.1944 = __builtin_ia32_stmxcsr ();
and obviously the given rev. fails to set a proper context for the decl
and also fails to add it to local_decls.
