Save all volatile argument registers in GC probe hijack frames on AMD64 and ARM64#126848

Merged

MichalStrehovsky merged 16 commits intomainfrom

copilot/fix-fast-tail-call-candidates-test

Apr 17, 2026

Commits on Apr 14, 2026

Potential fix for pull request finding

jkotas
and
Copilot
authored
Use pop_register/pop_nonvol_reg/free_stack in POP_PROBE_FRAME for CFI correctness

Copilot
and
jkotas
authored
Save volatile argument registers x3-x7 in GC probe hijack frames on ARM64

Copilot
and
mangod9
authored
Update RBM_INTERFACELOOKUP_FOR_SLOT_TRASH and save all FP argument registers in probe frames

Copilot
and
jakobbotsch
authored
Update FixupHijackedCallstack comments to include preserved FP registers

Copilot
and
jakobbotsch
authored
Expand RBM_INTERFACELOOKUP_FOR_SLOT_TRASH to trash all non-argument registers including float

Copilot
and
jakobbotsch
authored

Commits on Apr 16, 2026