From 44e3202c0416fcaa5a145c32118f0d08ff8ea0a2 Mon Sep 17 00:00:00 2001 From: marxin Date: Wed, 3 Jul 2019 08:31:35 +0000 Subject: [PATCH] Backport r272992 gcc/ChangeLog: 2019-07-03 Martin Liska PR middle-end/90899 * multiple_target.c (create_dispatcher_calls): Add to comdat group only if set for ifunc. gcc/testsuite/ChangeLog: 2019-07-03 Martin Liska PR middle-end/90899 * gcc.target/i386/pr90899.c: New test. --- gcc/multiple_target.c | 3 ++- gcc/testsuite/gcc.target/i386/pr90899.c | 6 ++++++ 2 files changed, 8 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr90899.c diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c index 87000dba214..97d2268663f 100644 --- a/gcc/multiple_target.c +++ b/gcc/multiple_target.c @@ -158,7 +158,8 @@ create_dispatcher_calls (struct cgraph_node *node) { symtab_node *source = ref->referring; source->create_reference (inode, IPA_REF_ALIAS); - source->add_to_same_comdat_group (inode); + if (inode->get_comdat_group ()) + source->add_to_same_comdat_group (inode); } else gcc_unreachable (); diff --git a/gcc/testsuite/gcc.target/i386/pr90899.c b/gcc/testsuite/gcc.target/i386/pr90899.c new file mode 100644 index 00000000000..e0e2d5ac6bb --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr90899.c @@ -0,0 +1,6 @@ +/* PR middle-end/90899 */ +/* { dg-do compile } */ +/* { dg-require-ifunc "" } */ + +__attribute__ ((target_clones ("default", "arch=slm"))) static int f () { return 0; } +__attribute__ ((alias ("f"))) __typeof (f) g; -- 2.22.0