Hi, this patch fixes ICE in is_a test when cgraph_update_edges_for_call_stmt_node tries to convert non-call stmt to call. I have bootstrapped/regtested x86_64-linux and tested firefox/chromium LTO build, so hope it is the last issue surfacing from the today verifier change.
PR middle-end/65595 * cgraph.c (cgraph_update_edges_for_call_stmt_node): Only do redirection if the call is not optimized out. * gcc.c-torture/compile/pr65595.c: New testcase. Index: cgraph.c =================================================================== --- cgraph.c (revision 221707) +++ cgraph.c (working copy) @@ -1516,7 +1516,7 @@ cgraph_update_edges_for_call_stmt_node ( if (e) { /* Keep calls marked as dead dead. */ - if (e->callee + if (new_call && e->callee && DECL_BUILT_IN_CLASS (e->callee->decl) == BUILT_IN_NORMAL && DECL_FUNCTION_CODE (e->callee->decl) == BUILT_IN_UNREACHABLE) { Index: testsuite/gcc.c-torture/compile/pr65595.c =================================================================== --- testsuite/gcc.c-torture/compile/pr65595.c (revision 0) +++ testsuite/gcc.c-torture/compile/pr65595.c (revision 0) @@ -0,0 +1,19 @@ +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); } +