objtool: Fix ".cold" section suffix check for newer versions of GCC
stable inclusion from stable-5.10.20 commit c41fc75addf12239b9baa7ad3b4e5ce9ff49d809 bugzilla: 50608 -------------------------------- [ Upstream commit 34ca59e1 ] With my version of GCC 9.3.1 the ".cold" subfunctions no longer have a numbered suffix, so the trailing period is no longer there. Presumably this doesn't yet trigger a user-visible bug since most of the subfunction detection logic is duplicated. I only found it when testing vmlinux.o validation. Fixes: 54262aa2 ("objtool: Fix sibling call detection") Signed-off-by: NJosh Poimboeuf <jpoimboe@redhat.com> Link: https://lore.kernel.org/r/ca0b5a57f08a2fbb48538dd915cc253b5edabb40.1611263461.git.jpoimboe@redhat.comSigned-off-by: NSasha Levin <sashal@kernel.org> Signed-off-by: NChen Jun <chenjun102@huawei.com> Acked-by: NXie XiuQi <xiexiuqi@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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