Graeme Geldenhuys fa536a917a Add ARC cleanup on exception paths in try/finally ... On the exception path of a try/finally block, release in-scope string variables before re-raising so that heap-allocated string buffers are freed even when exceptions unwind through the frame. After each StringRelease the stack slot is zeroed so that nested finally handlers see a nil pointer and take the no-op release path, preventing double-free on deep exception chains. Adds FCurrentBlock field and EmitExcPathArcCleanup to TCodeGenQBE. Two new codegen tests verify position and zeroing behaviour.		2026-04-21 15:34:09 +01:00
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src	Add ARC cleanup on exception paths in try/finally	2026-04-21 15:34:09 +01:00
project.xml	Add ARC cleanup on exception paths in try/finally	2026-04-21 15:34:09 +01:00