[PATCH 4.19 5/6] ARM: 8788/1: ftrace: remove old mcount support

[Greg KH]

On Fri, Dec 17, 2021 at 03:41:18PM +0100, Anders Roxell wrote:
> From: Stefan Agner <stefan at agner.ch>
> 
> commit d3c61619568c88d48eccd5e74b4f84faa1440652 upstream.
> 
> Commit cafa0010cd51 ("Raise the minimum required gcc version to 4.6")
> raised the minimum GCC version to 4.6. Old mcount is only required for
> GCC versions older than 4.4.0. Hence old mcount support can be dropped
> too.
> 
> Signed-off-by: Stefan Agner <stefan at agner.ch>
> Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>
> Signed-off-by: Anders Roxell <anders.roxell at linaro.org>

Why is this needed for clang builds in 4.19?