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authornagachika <nagachika@ruby-lang.org>2023-03-21 12:10:35 +0900
committernagachika <nagachika@ruby-lang.org>2023-03-21 12:10:35 +0900
commitc660aaf439dcd609e4e23253372c8ec6d567ce10 (patch)
treef6ac54cb2ca452002b1dd9aa7492afee7913e73f /test/ruby/test_thread.rb
parent159930b7857bd3fe603840f686edffb54693d2a7 (diff)
merge revision(s) aeddc19340c7116d48fac3080553fbb823857d16: [Backport #19316]
YJIT: Save PC and SP before calling leaf builtins (#7090) Previously, we did not update `cfp->sp` before calling the C function of ISEQs marked with `Primitive.attr! "inline"` (leaf builtins). This caused the GC to miss temporary values on the stack in case the function allocates and triggers a GC run. Right now, there is only a few leaf builtins in numeric.rb on Integer methods such as `Integer#~`. Since these methods only allocate when operating on big numbers, we missed this issue. Fix by saving PC and SP before calling the functions -- our usual protocol for calling C functions that may allocate on the GC heap. [Bug #19316] --- test/ruby/test_yjit.rb | 16 ++++++++++++++++ yjit/src/codegen.rs | 4 ++++ 2 files changed, 20 insertions(+)
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