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ntdll: Fix tail padding in mark_block_tail().
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@ -3127,7 +3127,6 @@ static void test_block_layout( HANDLE heap, DWORD global_flags, DWORD heap_flags
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ok( !memcmp( ptr1 + alloc_size, tail_buf, tail_size ), "missing block tail\n" );
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ok( !memcmp( ptr2 + alloc_size, tail_buf, tail_size ), "missing block tail\n" );
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todo_wine_if( global_flags & FLG_HEAP_ENABLE_FREE_CHECK )
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ok( !memcmp( ptr0 + alloc_size + tail_size, padd_buf, 2 * sizeof(void *) ), "unexpected padding\n" );
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tmp_ptr = (void *)0xdeadbeef;
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@ -500,8 +500,8 @@ static inline void mark_block_tail( struct block *block, DWORD flags )
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if (flags & HEAP_ADD_USER_INFO)
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{
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if (flags & HEAP_TAIL_CHECKING_ENABLED || RUNNING_ON_VALGRIND) tail += BLOCK_ALIGN;
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valgrind_make_writable( tail + sizeof(void *), sizeof(void *) );
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memset( tail + sizeof(void *), 0, sizeof(void *) );
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valgrind_make_writable( tail, BLOCK_ALIGN );
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memset( tail, 0, BLOCK_ALIGN );
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}
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}
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