b8091f54d2
Check the right register set when deciding if there is a leftover pop single. This worked by accident on non-Fuchsia ARM64 because there is an even number for both CPU and FPU registers, but Fuchsia has a different number of preserved CPU registers due to the shadow call stack. TEST=no Fuchsia ARM64 bots; inspect disassembly of the entry stub Bug: b/226647006 Change-Id: Ie0c7fa4a3b713d5b9fb21e9e778d620c7728bc39 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/239160 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>