gcc: Fixes for ARC
A couple of fixes to be a part of 11.2 whenever it happens
1. https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=
0061fabeb9393c362601486105202cfe837a5a68
Fixes "harfbuzz" build, see https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/issues/382
for all the gory details.
2. https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=
4186b7e93be73f8d68dc0fcc00a4cc8cc83e99a8
Fixes ext4 run-time issue:
------------------------->8---------------------------
Path: /bin/busybox
CPU: 0 PID: 1 Comm: init Not tainted 5.13.0-rc2-dirty #23
Invalid Read @ 0x41c9e600 by insn @ __bio_try_merge_page+0x4e/0xfc
ECR: 0x00050100 EFA: 0x41c9e600 ERET: 0x80159656
STAT: 0x80080202 [IE K ] BTA: 0x80159648
SP: 0x80821b88 FP: 0x00000008 BLK: bio_add_page+0x22/0x5c
LPS: 0x801a6a94 LPE: 0x801a6a98 LPC: 0x00000000
r00: 0x80823300 r01: 0xbfb85e38 r02: 0x00002000
r03: 0x00000000 r04: 0x80821b9b r05: 0x80821bfc
r06: 0x00000000 r07: 0x00000700 r08: 0x00000000
r09: 0xffffffff r10: 0x00000000 r11: 0x00000000
r12: 0x8080b300
Stack Trace:
__bio_try_merge_page+0x4e/0xfc
bio_add_page+0x22/0x5c
do_mpage_readpage+0x534/0x65c
mpage_readahead+0x30/0xdc
read_pages+0x34/0x194
page_cache_ra_unbounded+0x56/0x154
filemap_fault+0x25a/0x5d8
__do_fault+0x94/0xe8
handle_mm_fault+0x4de/0xbd4
do_page_fault+0x108/0x21c
ret_from_exception+0x0/0x8
------------------------->8---------------------------
3. https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=
5a9b6a004f89fdd95b0470e1324dc4dee8c41d24
Precautious fix for rare corner cases which we don't wnat to really end-up in.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
