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Don't crash if building pointer/reference yields NULL

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* src/abg-dwarf-reader.cc
	(build_ir_node_from_die<DW_TAG_pointer_type)
	(DW_TAG_rvalue{0,1}_reference_type>): Do not crash if building the
	IR node for the underlying type yields NULL.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
This commit is contained in:
Dodji Seketeli 2013-12-19 13:30:30 +01:00
parent 92687c6a1c
commit 4605c59587
1 changed files with 16 additions and 10 deletions
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26
src/abg-dwarf-reader.cc
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@ -1428,11 +1428,14 @@ build_ir_node_from_die(read_context& ctxt,
{
pointer_type_def_sptr p =
build_pointer_type_def(ctxt, die, called_from_public_decl);
decl_base_sptr utype =
get_type_declaration(p->get_pointed_to_type());
result =
canonicalize_and_insert_type_into_ir_under_scope(ctxt, p,
utype->get_scope());
if(p)
{
decl_base_sptr t =
get_type_declaration(p->get_pointed_to_type());
result =
canonicalize_and_insert_type_into_ir_under_scope(ctxt, p,
t->get_scope());
}
}
break;
@ -1441,11 +1444,14 @@ build_ir_node_from_die(read_context& ctxt,
{
reference_type_def_sptr r =
build_reference_type(ctxt, die, called_from_public_decl);
decl_base_sptr utype =
get_type_declaration(r->get_pointed_to_type());
result =
canonicalize_and_insert_type_into_ir_under_scope(ctxt, r,
utype->get_scope());
if (r)
{
decl_base_sptr t =
get_type_declaration(r->get_pointed_to_type());
result =
canonicalize_and_insert_type_into_ir_under_scope(ctxt, r,
t->get_scope());
}
}
break;