fix(gc): operand temporaries are precise roots — collection methods, constructor args, string-method receiver (#6970, #6969, #6971) - #6983

Merged

proggeramlug merged 15 commits into

mainfrom

fix/6970-6969-6971-temp-roots

Jul 29, 2026

Commits on Jul 29, 2026

fix(gc): root Map/Set collection-method operands across allocating operands (#6970)
Ralph Küpper
committed
784f9f1
fix(gc): root collection forEach receiver across callback lowering (#6970)
Ralph Küpper
committed
9b5fe36
fix(gc): root string-method receiver and concat accumulator (#6971)
Ralph Küpper
committed
70042a9
fix(gc): root constructor arguments across the instance allocation (#6969)
Ralph Küpper
committed
eb64164
fix(gc): root constructor args as they are lowered, not after the loop (#6969)
Ralph Küpper
committed
422651e
test(gc): pin the operand-rooting contract for #6969/#6970/#6971
Ralph Küpper
committed
1dcc50d
fix(gc): operand_needs_root must check the shadow slot, not just LocalGet
Ralph Küpper
committed
fc09be4
fix(gc): adopt the #6975 expr_may_trigger_gc signature
Ralph Küpper
committed
75af94f
docs: changelog fragment for #6969/#6970/#6971
Ralph Küpper
committed
c87390b
docs: key the changelog fragment to PR #6983
Ralph Küpper
committed
5b715e6
fix(gc): re-load registered-root operands instead of reusing a stale register
Ralph Küpper
committed
5b48538
docs: record the re-load half of the fix
Ralph Küpper
committed
75f2170
fix(gc): root the MapSet receiver before the key is lowered, and refresh ctor args at late consumers
Ralph Küpper
committed
cf02fa7
fix(gc): snapshot mutable constructor operands instead of re-lowering them
Ralph Küpper
committed
d8e07a2
fix(codegen): don't emit the string-method root release after a terminator
Ralph Küpper
committed
a108183

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fix(gc): operand temporaries are precise roots — collection methods, constructor args, string-method receiver (#6970, #6969, #6971) - #6983

fix(gc): operand temporaries are precise roots — collection methods, constructor args, string-method receiver (#6970, #6969, #6971)#6983
proggeramlug merged 15 commits into
mainfrom
fix/6970-6969-6971-temp-roots

Commits on Jul 29, 2026

fix(gc): root Map/Set collection-method operands across allocating operands (#6970)

fix(gc): root collection forEach receiver across callback lowering (#6970)

fix(gc): root string-method receiver and concat accumulator (#6971)

fix(gc): root constructor arguments across the instance allocation (#6969)

fix(gc): root constructor args as they are lowered, not after the loop (#6969)

test(gc): pin the operand-rooting contract for #6969/#6970/#6971

fix(gc): operand_needs_root must check the shadow slot, not just LocalGet

fix(gc): adopt the #6975 expr_may_trigger_gc signature

docs: changelog fragment for #6969/#6970/#6971

docs: key the changelog fragment to PR #6983

fix(gc): re-load registered-root operands instead of reusing a stale register

docs: record the re-load half of the fix

fix(gc): root the MapSet receiver before the key is lowered, and refresh ctor args at late consumers

fix(gc): snapshot mutable constructor operands instead of re-lowering them

fix(codegen): don't emit the string-method root release after a terminator