Opengl bindless support for SPIR-V about shaderc HOT 6 OPEN

#version 450

buffer B
{ int x; int y; } my_buf;

void main() {
  int x = my_buf.x;
}

               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Vertex %main "main" %gl_VertexID %gl_InstanceID
               OpSource GLSL 450
               OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
               OpSourceExtension "GL_GOOGLE_include_directive"
               OpName %main "main"
               OpName %x "x"
               OpName %B "B"
               OpMemberName %B 0 "x"
               OpMemberName %B 1 "y"
               OpName %my_buf "my_buf"
               OpName %gl_VertexID "gl_VertexID"
               OpName %gl_InstanceID "gl_InstanceID"
               OpMemberDecorate %B 0 Offset 0
               OpMemberDecorate %B 1 Offset 4
               OpDecorate %B BufferBlock
               OpDecorate %my_buf DescriptorSet 0
               OpDecorate %gl_VertexID BuiltIn VertexId
               OpDecorate %gl_InstanceID BuiltIn InstanceId
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
        %int = OpTypeInt 32 1
%_ptr_Function_int = OpTypePointer Function %int
          %B = OpTypeStruct %int %int
%_ptr_Uniform_B = OpTypePointer Uniform %B
     %my_buf = OpVariable %_ptr_Uniform_B Uniform
      %int_0 = OpConstant %int 0
%_ptr_Uniform_int = OpTypePointer Uniform %int
%_ptr_Input_int = OpTypePointer Input %int
%gl_VertexID = OpVariable %_ptr_Input_int Input
%gl_InstanceID = OpVariable %_ptr_Input_int Input
       %main = OpFunction %void None %3
          %5 = OpLabel
          %x = OpVariable %_ptr_Function_int Function
         %14 = OpAccessChain %_ptr_Uniform_int %my_buf %int_0
         %15 = OpLoad %int %14
               OpStore %x %15
               OpReturn
               OpFunctionEnd