Compile the following, with "-O2 -fvisibility=hidden -S" without/with -DH.
Compare assembly code. For this target, you'll see the following diff, but the
difference was noticed on the CRIS TLS w.i.p. using [gcc-4_3-branch revision
135713]:
--- hh.s 2008-12-18 23:14:54.000000000 +0100
+++ h.s 2008-12-18 23:15:05.000000000 +0100
@@ -13,5 +13,6 @@ foo:
popl %ebp
ret
.size foo, .-foo
+ .hidden xyzzy
.ident "GCC: (GNU) 4.3.0 20080428 (Red Hat 4.3.0-8)"
.section .note.GNU-stack,"",@progbits
--
Summary: -fvisibility=hidden not affecting thread variables while
attribute hidden does.
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hp at gcc dot gnu dot org
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38574
