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compiler: document defer frame field dependency

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This commit is contained in:
Jake Bailey
2026-06-02 14:13:36 -07:00
committed by Ron Evans
parent 278aa09819
commit 469e2434fd
2 changed files with 4 additions and 2 deletions
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src/runtime/panic.go
+2 -2
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@@ -31,8 +31,8 @@ func panicStrategy() uint8
// DeferFrame is a stack allocated object that stores information for the
// current "defer frame", which is used in functions that use the `defer`
// keyword.
// The compiler knows about the JumpPC struct offset, so it should not be moved
// without also updating compiler/defer.go.
// The compiler knows about the JumpPC struct offset and the DeferPtr field
// index, so they should not be moved without also updating compiler/defer.go.
type deferFrame struct {
JumpSP unsafe.Pointer // stack pointer to return to
JumpPC unsafe.Pointer // pc to return to