spv.bufferReferenceForwardDecl.comp
// Module Version 10000
// Generated by (magic number): 8000b
// Id's are bound by 20

                              Capability Shader
                              Capability Int64
                              Capability PhysicalStorageBufferAddressesEXT
                              Extension  "SPV_KHR_physical_storage_buffer"
               1:             ExtInstImport  "GLSL.std.450"
                              MemoryModel PhysicalStorageBuffer64EXT GLSL450
                              EntryPoint GLCompute 4  "main"
                              ExecutionMode 4 LocalSize 1 1 1
                              Source GLSL 450
                              SourceExtension  "GL_EXT_buffer_reference"
                              SourceExtension  "GL_EXT_buffer_reference2"
                              Name 4  "main"
                              Name 7  "B"
                              Name 9  "b"
                              Decorate 7(B) Block
                              Decorate 9(b) DecorationAliasedPointerEXT
                              Decorate 19 BuiltIn WorkgroupSize
               2:             TypeVoid
               3:             TypeFunction 2
                              TypeForwardPointer 6 PhysicalStorageBufferEXT
            7(B):             TypeStruct
               6:             TypePointer PhysicalStorageBufferEXT 7(B)
               8:             TypePointer Function 6(ptr)
              11:             TypeInt 64 0
              13: 11(int64_t) Constant 0 0
              16:             TypeInt 32 0
              17:             TypeVector 16(int) 3
              18:     16(int) Constant 1
              19:   17(ivec3) ConstantComposite 18 18 18
         4(main):           2 Function None 3
               5:             Label
            9(b):      8(ptr) Variable Function
              10:      6(ptr) Load 9(b)
              12: 11(int64_t) ConvertPtrToU 10
              14: 11(int64_t) IAdd 12 13
              15:      6(ptr) ConvertUToPtr 14
                              Store 9(b) 15
                              Return
                              FunctionEnd