Roll eigen from 5d9beb81ab81 to 7aea350ba117 (1 revision)

https://chromium.googlesource.com/external/gitlab.com/libeigen/eigen.git/+log/5d9beb81ab81..7aea350ba117

2026-01-09 ckerchner@tenstorrent.com Fix more packetmath issues for RVV

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/eigen-chromium
Please CC chrome-intelligence-core@google.com,holte@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in eigen: https://gitlab.com/libeigen/eigen/-/issues
To file a bug in Chromium: https://b.corp.google.com/issues/new?component=1405550

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.chrome.try:optimization_guide-linux;luci.chrome.try:optimization_guide-mac-arm64;luci.chrome.try:optimization_guide-mac-x64;luci.chrome.try:optimization_guide-win32;luci.chrome.try:optimization_guide-win64
Tbr: holte@google.com
Include-Ci-Only-Tests: chromium.android:android-pie-arm64-rel|android_browsertests
Change-Id: Ia9a62f132ce81aa4448b3dc7902935d2c917f014
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7424870
Commit-Queue: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Bot-Commit: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1567143}