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runtime: encode pending Goexit in panic state

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Treat panicState as a bitmask so a recovered panic during Goexit
can clear the panic bit while preserving the pending Goexit bit.
This removes the separate deferFrame Goexit field and restores the
previous defer frame size.
This commit is contained in:
Jake Bailey
2026-07-04 14:08:16 -07:00
committed by Ron Evans
parent d59c706e60
commit e039ce131c
3 changed files with 19 additions and 22 deletions
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compiler/testdata/defer-cortex-m-qemu.ll
Vendored
+3 -3
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@@ -3,7 +3,7 @@ source_filename = "defer.go"
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7m-unknown-unknown-eabi"
%runtime.deferFrame = type { ptr, ptr, [0 x ptr], ptr, i8, %runtime._interface, ptr, i1 }
%runtime.deferFrame = type { ptr, ptr, [0 x ptr], ptr, i8, %runtime._interface, ptr }
%runtime._interface = type { ptr, ptr }
; Function Attrs: nounwind
@@ -111,9 +111,9 @@ rundefers.end3: ; preds = %rundefers.loophead6
; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #2
declare void @runtime.setupDeferFrame(ptr dereferenceable_or_null(32), ptr, ptr) #1
declare void @runtime.setupDeferFrame(ptr dereferenceable_or_null(28), ptr, ptr) #1
declare void @runtime.destroyDeferFrame(ptr dereferenceable_or_null(32), ptr) #1
declare void @runtime.destroyDeferFrame(ptr dereferenceable_or_null(28), ptr) #1
; Function Attrs: nounwind
define internal void @"main.deferSimple$1"(ptr %context) unnamed_addr #0 {