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authorAlan Wu <XrXr@users.noreply.github.com>2023-03-29 17:57:52 -0400
committerGitHub <noreply@github.com>2023-03-29 17:57:52 -0400
commit1b064227671fe780044406f163b117ef85f2f8b9 (patch)
treee943381fd0bff79556c6541af9e456b7ca551842 /ext/ripper/README
parenta1a4d77472475fc9ee4c16cce7b79f6f492c91c3 (diff)
YJIT: Leave cfp->pc uninitialized for VM_FRAME_MAGIC_CFUNC
C function frames don't need to use the VM-specific pc field to run properly. When pushing a control frame from output code, save one instruction by leaving the field uninitialized. Fix-up rb_vm_svar_lep(), which is used while setting local variables via Regexp#=~. Use cfp->iseq as a secondary signal so it can stop assuming that all CFUNC frames always have zero pc's.
Notes
Notes: Merged: https://github.com/ruby/ruby/pull/7620 Merged-By: XrXr
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