https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65595
Bug ID: 65595
Summary: [5 Regression] Linux kernel build failure: ICE: in
as_a, at is-a.h:192
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org
trippels@gcc2-power8 linux-3.18.8 % cat libcxgbi.i
extern void *memcpy(void *, const void *, unsigned long);
struct in6_addr {
struct {
int u6_addr32[4];
};
};
struct foo {
struct in6_addr daddr;
struct in6_addr saddr;
} a;
extern void ip6_route_output(struct foo, int);
int b;
static void find_route_ipv6(struct in6_addr *p1) {
if (p1)
memcpy(0, p1, sizeof(struct in6_addr));
ip6_route_output(a, b);
}
void cxgbi_ep_connect() { find_route_ipv6(0); }
trippels@gcc2-power8 linux-3.18.8 % gcc -O2 -c libcxgbi.i
libcxgbi.i: In function ‘find_route_ipv6.constprop’:
libcxgbi.i:18:1: internal compiler error: in as_a, at is-a.h:192
void cxgbi_ep_connect() { find_route_ipv6(0); }
^
0x100f16e3 as_a<gcall*, gimple_statement_base>
../../gcc/gcc/is-a.h:192
0x1030ffb7 as_a<gcall*, gimple_statement_base>
../../gcc/gcc/is-a.h:192
0x1030ffb7 cgraph_update_edges_for_call_stmt_node
../../gcc/gcc/cgraph.c:1524
0x1031045f cgraph_update_edges_for_call_stmt(gimple_statement_base*,
tree_node*, gimple_statement_base*)
../../gcc/gcc/cgraph.c:1588
0x108720a3 fold_marked_statements
../../gcc/gcc/tree-inline.c:4843
0x10884ebf tree_function_versioning(tree_node*, tree_node*,
vec<ipa_replace_map*, va_gc, vl_embed>*, bool, bitmap_head*, bool,
bitmap_head*, basic_block_def*)
../../gcc/gcc/tree-inline.c:5813
0x103229ef cgraph_materialize_clone
../../gcc/gcc/cgraphclones.c:1056
0x103229ef symbol_table::materialize_all_clones()
../../gcc/gcc/cgraphclones.c:1153
0x1031c3cb symbol_table::compile()
../../gcc/gcc/cgraphunit.c:2326
0x1031ee67 symbol_table::finalize_compilation_unit()
../../gcc/gcc/cgraphunit.c:2444
0x1015d1c7 c_write_global_declarations()
../../gcc/gcc/c/c-decl.c:10801
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
