Roll SwiftShader from 7905fa19e456 to fefba0024aa6 (3 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/7905fa19e456..fefba0024aa6

2025-04-29 syoussefi@google.com Revert "Make Reactor buildable with LLVM 18"
2025-04-28 brunopitrus@hotmail.com Make Reactor buildable with LLVM 18
2025-04-28 swiftshader.regress@gmail.com Regres: Update test lists @ 7545980c

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-chromium-autoroll
Please CC capn@chromium.org,geofflang@google.com,lokokung@google.com,swiftshader-eng+autoroll@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:linux_chromium_msan_rel_ng;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: geofflang@google.com,lokokung@google.com,swiftshader-eng+autoroll@google.com
Change-Id: I6f26e8a7eef3e265417de075bf5e6e9fe54b62ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6498166
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1453287}