Flaky flutter engine test crashes in PushBackdropFilterToVisitedPlatformViews #121096
Description
We are seeing some seemingly flaky engine test crashes on Dart CI (flutter head-head-head bot), see log:
[ERROR:flutter/fml/backtrace.cc(108)] Caught signal SIGSEGV during program execution.
Frame 0: 0x55fed63eb2ba flutter::testing::ShellTest_PushBackdropFilterToVisitedPlatformViews_Test::TestBody()
Frame 1: 0x55fed90dc00b testing::internal::HandleSehExceptionsInMethodIfSupported<>()
Frame 2: 0x55fed90cefc7 testing::internal::HandleExceptionsInMethodIfSupported<>()
Frame 3: 0x55fed90be663 testing::Test::Run()
Frame 4: 0x55fed90bed24 testing::TestInfo::Run()
Frame 5: 0x55fed90bf32d testing::TestSuite::Run()
Frame 6: 0x55fed90c8ad1 testing::internal::UnitTestImpl::RunAllTests()
Frame 7: 0x55fed90df18b testing::internal::HandleSehExceptionsInMethodIfSupported<>()
Frame 8: 0x55fed90d0937 testing::internal::HandleExceptionsInMethodIfSupported<>()
Frame 9: 0x55fed90c86cf testing::UnitTest::Run()
Frame 10: 0x55fed856f7f1 RUN_ALL_TESTS()
Frame 11: 0x55fed856f5d2 main
Frame 12: 0x7ff3ec2fec87 __libc_start_main
Frame 13: 0x55fed628fbaa _start
Seems unrelated to Dart, @zanderso maybe someone from engine team can investigate?