Hi.
The patch is quite obvious, it copies the same what we do in
another IPA passes.
Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
Ready to be installed?
Thanks,
Martin
gcc/ChangeLog:
2019-06-18 Martin Liska
PR middle-end/90899
* multiple_target.c (create_dispatcher_calls): Add to comdat
group only if set for ifunc.
gcc/testsuite/ChangeLog:
2019-06-18 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 fa194d416fe..7aea684a40a 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 000..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;