bug/tint/1474-b.wgsl:7:5 warning: code is unreachable
    let non_uniform_cond = non_uniform_value == 0;
    ^^^^^^^^^^^^^^^^^^^^

; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 9
; Schema: 0
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpName %non_uniform_value_block "non_uniform_value_block"
               OpMemberName %non_uniform_value_block 0 "inner"
               OpName %non_uniform_value "non_uniform_value"
               OpName %main "main"
               OpDecorate %non_uniform_value_block Block
               OpMemberDecorate %non_uniform_value_block 0 Offset 0
               OpDecorate %non_uniform_value DescriptorSet 0
               OpDecorate %non_uniform_value Binding 0
        %int = OpTypeInt 32 1
%non_uniform_value_block = OpTypeStruct %int
%_ptr_StorageBuffer_non_uniform_value_block = OpTypePointer StorageBuffer %non_uniform_value_block
%non_uniform_value = OpVariable %_ptr_StorageBuffer_non_uniform_value_block StorageBuffer
       %void = OpTypeVoid
          %5 = OpTypeFunction %void
       %main = OpFunction %void None %5
          %8 = OpLabel
               OpReturn
               OpFunctionEnd