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libdispatch
563.patch
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File 563.patch of Package libdispatch
From 729e25d92d05a8c4a8136e831ec6123bbf7f2654 Mon Sep 17 00:00:00 2001 From: Evan Wilde <ewilde@apple.com> Date: Thu, 19 Aug 2021 11:57:34 -0700 Subject: [PATCH] Removing unused refcount variable The rebranch branch is failing to build due to an unused refcount variable in runtime.c. The variable is only used by an os_assert and nowhere else. I've removed it and instead put the check directly in the assert. --- src/BlocksRuntime/runtime.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/src/BlocksRuntime/runtime.c b/src/BlocksRuntime/runtime.c index bfec1a0bf..4b7d4bfa2 100644 --- a/src/BlocksRuntime/runtime.c +++ b/src/BlocksRuntime/runtime.c @@ -468,18 +468,16 @@ static void _Block_byref_assign_copy(void *dest, const void *arg, const int flag // Old compiler SPI static void _Block_byref_release(const void *arg) { struct Block_byref *byref = (struct Block_byref *)arg; - int32_t refcount; // dereference the forwarding pointer since the compiler isn't doing this anymore (ever?) byref = byref->forwarding; - + // To support C++ destructors under GC we arrange for there to be a finalizer for this // by using an isa that directs the code to a finalizer that calls the byref_destroy method. if ((byref->flags & BLOCK_BYREF_NEEDS_FREE) == 0) { return; // stack or GC or global } - refcount = byref->flags & BLOCK_REFCOUNT_MASK; - os_assert(refcount); + os_assert(byref->flags & BLOCK_REFCOUNT_MASK); if (latching_decr_int_should_deallocate(&byref->flags)) { if (byref->flags & BLOCK_BYREF_HAS_COPY_DISPOSE) { struct Block_byref_2 *byref2 = (struct Block_byref_2 *)(byref+1);
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