SKIP: FAILED

../../src/tint/lang/msl/writer/printer/printer.cc:1257 internal compiler error: BST = struct @align(4) {
  data:i32 @offset(0)
  leftIndex:i32 @offset(4)
  rightIndex:i32 @offset(8)
}

main_out = struct @align(16) {
  x_GLF_color_1:vec4<f32> @offset(0), @location(0)
}

$B1: {  # root
  %tree_1:ptr<private, array<BST, 10>, read_write> = var
  %gl_FragCoord:ptr<private, vec4<f32>, read_write> = var
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
}

%makeTreeNode_struct_BST_i1_i1_i11_i1_ = func(%tree:ptr<function, BST, read_write>, %data:ptr<function, i32, read_write>):void {
  $B2: {
    %7:i32 = load %data
    %x_169:i32 = let %7
    %9:ptr<function, i32, read_write> = access %tree, 0u
    store %9, %x_169
    %10:ptr<function, i32, read_write> = access %tree, 1u
    store %10, -1i
    %11:ptr<function, i32, read_write> = access %tree, 2u
    store %11, -1i
    ret
  }
}
%insert_i1_i1_ = func(%treeIndex:ptr<function, i32, read_write>, %data_1:ptr<function, i32, read_write>):void {
  $B3: {
    %baseIndex:ptr<function, i32, read_write> = var
    %param:ptr<function, BST, read_write> = var
    %param_1:ptr<function, i32, read_write> = var
    %param_2:ptr<function, BST, read_write> = var
    %param_3:ptr<function, i32, read_write> = var
    store %baseIndex, 0i
    loop [b: $B4, c: $B5] {  # loop_1
      $B4: {  # body
        %20:i32 = load %baseIndex
        %x_178:i32 = let %20
        %22:i32 = load %treeIndex
        %x_179:i32 = let %22
        %24:bool = lte %x_178, %x_179
        if %24 [t: $B6, f: $B7] {  # if_1
          $B6: {  # true
            exit_if  # if_1
          }
          $B7: {  # false
            exit_loop  # loop_1
          }
        }
        %25:i32 = load %data_1
        %x_182:i32 = let %25
        %27:i32 = load %baseIndex
        %x_183:i32 = let %27
        %29:ptr<private, i32, read_write> = access %tree_1, %x_183, 0u
        %30:i32 = load %29
        %x_185:i32 = let %30
        %32:bool = lte %x_182, %x_185
        if %32 [t: $B8, f: $B9] {  # if_2
          $B8: {  # true
            %33:i32 = load %baseIndex
            %x_190:i32 = let %33
            %35:ptr<private, i32, read_write> = access %tree_1, %x_190, 1u
            %36:i32 = load %35
            %x_192:i32 = let %36
            %38:bool = eq %x_192, -1i
            if %38 [t: $B10, f: $B11] {  # if_3
              $B10: {  # true
                %39:i32 = load %baseIndex
                %x_197:i32 = let %39
                %41:i32 = load %treeIndex
                %x_198:i32 = let %41
                %43:ptr<private, i32, read_write> = access %tree_1, %x_197, 1u
                store %43, %x_198
                %44:i32 = load %treeIndex
                %x_200:i32 = let %44
                %46:ptr<private, BST, read_write> = access %tree_1, %x_200
                %47:BST = load %46
                %x_202:BST = let %47
                store %param, %x_202
                %49:i32 = load %data_1
                %x_203:i32 = let %49
                store %param_1, %x_203
                %51:void = call %makeTreeNode_struct_BST_i1_i1_i11_i1_, %param, %param_1
                %52:BST = load %param
                %x_205:BST = let %52
                %54:ptr<private, BST, read_write> = access %tree_1, %x_200
                store %54, %x_205
                ret
              }
              $B11: {  # false
                %55:i32 = load %baseIndex
                %x_207:i32 = let %55
                %57:ptr<private, i32, read_write> = access %tree_1, %x_207, 1u
                %58:i32 = load %57
                %x_209:i32 = let %58
                store %baseIndex, %x_209
                continue  # -> $B5
              }
            }
            exit_if  # if_2
          }
          $B9: {  # false
            %60:i32 = load %baseIndex
            %x_210:i32 = let %60
            %62:ptr<private, i32, read_write> = access %tree_1, %x_210, 2u
            %63:i32 = load %62
            %x_212:i32 = let %63
            %65:bool = eq %x_212, -1i
            if %65 [t: $B12, f: $B13] {  # if_4
              $B12: {  # true
                %66:i32 = load %baseIndex
                %x_217:i32 = let %66
                %68:i32 = load %treeIndex
                %x_218:i32 = let %68
                %70:ptr<private, i32, read_write> = access %tree_1, %x_217, 2u
                store %70, %x_218
                %71:i32 = load %treeIndex
                %x_220:i32 = let %71
                %73:ptr<private, BST, read_write> = access %tree_1, %x_220
                %74:BST = load %73
                %x_222:BST = let %74
                store %param_2, %x_222
                %76:i32 = load %data_1
                %x_223:i32 = let %76
                store %param_3, %x_223
                %78:void = call %makeTreeNode_struct_BST_i1_i1_i11_i1_, %param_2, %param_3
                %79:BST = load %param_2
                %x_225:BST = let %79
                %81:ptr<private, BST, read_write> = access %tree_1, %x_220
                store %81, %x_225
                ret
              }
              $B13: {  # false
                %82:i32 = load %baseIndex
                %x_227:i32 = let %82
                %84:ptr<private, i32, read_write> = access %tree_1, %x_227, 2u
                %85:i32 = load %84
                %x_229:i32 = let %85
                store %baseIndex, %x_229
                continue  # -> $B5
              }
            }
            exit_if  # if_2
          }
        }
        unreachable
      }
      $B5: {  # continuing
        next_iteration  # -> $B4
      }
    }
    ret
  }
}
%search_i1_ = func(%t:ptr<function, i32, read_write>):i32 {
  $B14: {
    %index:ptr<function, i32, read_write> = var
    %currentNode:ptr<function, BST, read_write> = var
    %x_231:ptr<function, i32, read_write> = var
    store %index, 0i
    loop [b: $B15, c: $B16] {  # loop_2
      $B15: {  # body
        %92:i32 = load %index
        %x_236:i32 = let %92
        %94:bool = neq %x_236, -1i
        if %94 [t: $B17, f: $B18] {  # if_5
          $B17: {  # true
            exit_if  # if_5
          }
          $B18: {  # false
            exit_loop  # loop_2
          }
        }
        %95:i32 = load %index
        %x_239:i32 = let %95
        %97:ptr<private, BST, read_write> = access %tree_1, %x_239
        %98:BST = load %97
        %x_241:BST = let %98
        store %currentNode, %x_241
        %100:ptr<function, i32, read_write> = access %currentNode, 0u
        %101:i32 = load %100
        %x_243:i32 = let %101
        %103:i32 = load %t
        %x_244:i32 = let %103
        %105:bool = eq %x_243, %x_244
        if %105 [t: $B19] {  # if_6
          $B19: {  # true
            %106:i32 = load %t
            %x_248:i32 = let %106
            ret %x_248
          }
        }
        %108:i32 = load %t
        %x_249:i32 = let %108
        %110:ptr<function, i32, read_write> = access %currentNode, 0u
        %111:i32 = load %110
        %x_251:i32 = let %111
        %113:bool = gt %x_249, %x_251
        if %113 [t: $B20, f: $B21] {  # if_7
          $B20: {  # true
            %114:ptr<function, i32, read_write> = access %currentNode, 2u
            %115:i32 = load %114
            %x_257:i32 = let %115
            store %x_231, %x_257
            exit_if  # if_7
          }
          $B21: {  # false
            %117:ptr<function, i32, read_write> = access %currentNode, 1u
            %118:i32 = load %117
            %x_259:i32 = let %118
            store %x_231, %x_259
            exit_if  # if_7
          }
        }
        %120:i32 = load %x_231
        %x_260:i32 = let %120
        store %index, %x_260
        continue  # -> $B16
      }
      $B16: {  # continuing
        next_iteration  # -> $B15
      }
    }
    ret -1i
  }
}
%main_1 = func():void {
  $B22: {
    %treeIndex_1:ptr<function, i32, read_write> = var
    %param_4:ptr<function, BST, read_write> = var
    %param_5:ptr<function, i32, read_write> = var
    %param_6:ptr<function, i32, read_write> = var
    %param_7:ptr<function, i32, read_write> = var
    %param_8:ptr<function, i32, read_write> = var
    %param_9:ptr<function, i32, read_write> = var
    %param_10:ptr<function, i32, read_write> = var
    %param_11:ptr<function, i32, read_write> = var
    %param_12:ptr<function, i32, read_write> = var
    %param_13:ptr<function, i32, read_write> = var
    %param_14:ptr<function, i32, read_write> = var
    %param_15:ptr<function, i32, read_write> = var
    %param_16:ptr<function, i32, read_write> = var
    %param_17:ptr<function, i32, read_write> = var
    %param_18:ptr<function, i32, read_write> = var
    %param_19:ptr<function, i32, read_write> = var
    %param_20:ptr<function, i32, read_write> = var
    %param_21:ptr<function, i32, read_write> = var
    %param_22:ptr<function, i32, read_write> = var
    %param_23:ptr<function, i32, read_write> = var
    %count:ptr<function, i32, read_write> = var
    %i:ptr<function, i32, read_write> = var
    %result:ptr<function, i32, read_write> = var
    %param_24:ptr<function, i32, read_write> = var
    store %treeIndex_1, 0i
    %148:ptr<private, BST, read_write> = access %tree_1, 0i
    %149:BST = load %148
    %x_88:BST = let %149
    store %param_4, %x_88
    store %param_5, 9i
    %151:void = call %makeTreeNode_struct_BST_i1_i1_i11_i1_, %param_4, %param_5
    %152:BST = load %param_4
    %x_90:BST = let %152
    %154:ptr<private, BST, read_write> = access %tree_1, 0i
    store %154, %x_90
    %155:i32 = load %treeIndex_1
    %x_92:i32 = let %155
    %157:i32 = add %x_92, 1i
    store %treeIndex_1, %157
    %158:i32 = load %treeIndex_1
    %x_94:i32 = let %158
    store %param_6, %x_94
    store %param_7, 5i
    %160:void = call %insert_i1_i1_, %param_6, %param_7
    %161:i32 = load %treeIndex_1
    %x_96:i32 = let %161
    %163:i32 = add %x_96, 1i
    store %treeIndex_1, %163
    %164:i32 = load %treeIndex_1
    %x_98:i32 = let %164
    store %param_8, %x_98
    store %param_9, 12i
    %166:void = call %insert_i1_i1_, %param_8, %param_9
    %167:i32 = load %treeIndex_1
    %x_100:i32 = let %167
    %169:i32 = add %x_100, 1i
    store %treeIndex_1, %169
    %170:i32 = load %treeIndex_1
    %x_102:i32 = let %170
    store %param_10, %x_102
    store %param_11, 15i
    %172:void = call %insert_i1_i1_, %param_10, %param_11
    %173:i32 = load %treeIndex_1
    %x_104:i32 = let %173
    %175:i32 = add %x_104, 1i
    store %treeIndex_1, %175
    %176:i32 = load %treeIndex_1
    %x_106:i32 = let %176
    store %param_12, %x_106
    store %param_13, 7i
    %178:void = call %insert_i1_i1_, %param_12, %param_13
    %179:i32 = load %treeIndex_1
    %x_108:i32 = let %179
    %181:i32 = add %x_108, 1i
    store %treeIndex_1, %181
    %182:i32 = load %treeIndex_1
    %x_110:i32 = let %182
    store %param_14, %x_110
    store %param_15, 8i
    %184:void = call %insert_i1_i1_, %param_14, %param_15
    %185:i32 = load %treeIndex_1
    %x_112:i32 = let %185
    %187:i32 = add %x_112, 1i
    store %treeIndex_1, %187
    %188:i32 = load %treeIndex_1
    %x_114:i32 = let %188
    store %param_16, %x_114
    store %param_17, 2i
    %190:void = call %insert_i1_i1_, %param_16, %param_17
    %191:i32 = load %treeIndex_1
    %x_116:i32 = let %191
    %193:i32 = add %x_116, 1i
    store %treeIndex_1, %193
    %194:i32 = load %treeIndex_1
    %x_118:i32 = let %194
    store %param_18, %x_118
    store %param_19, 6i
    %196:void = call %insert_i1_i1_, %param_18, %param_19
    %197:i32 = load %treeIndex_1
    %x_120:i32 = let %197
    %199:i32 = add %x_120, 1i
    store %treeIndex_1, %199
    %200:i32 = load %treeIndex_1
    %x_122:i32 = let %200
    store %param_20, %x_122
    store %param_21, 17i
    %202:void = call %insert_i1_i1_, %param_20, %param_21
    %203:i32 = load %treeIndex_1
    %x_124:i32 = let %203
    %205:i32 = add %x_124, 1i
    store %treeIndex_1, %205
    %206:i32 = load %treeIndex_1
    %x_126:i32 = let %206
    store %param_22, %x_126
    store %param_23, 13i
    %208:void = call %insert_i1_i1_, %param_22, %param_23
    store %count, 0i
    store %i, 0i
    loop [b: $B23, c: $B24] {  # loop_3
      $B23: {  # body
        %209:i32 = load %i
        %x_132:i32 = let %209
        %211:bool = lt %x_132, 20i
        if %211 [t: $B25, f: $B26] {  # if_8
          $B25: {  # true
            exit_if  # if_8
          }
          $B26: {  # false
            exit_loop  # loop_3
          }
        }
        %x_155:ptr<function, bool, read_write> = var
        %x_156_phi:ptr<function, bool, read_write> = var
        %214:i32 = load %i
        %x_135:i32 = let %214
        store %param_24, %x_135
        %216:i32 = call %search_i1_, %param_24
        %x_136:i32 = let %216
        store %result, %x_136
        %218:i32 = load %i
        %x_137:i32 = let %218
        switch %x_137 [c: (2i 5i 6i 7i 8i 9i 12i 13i 15i 17i, $B27), c: (default, $B28)] {  # switch_1
          $B27: {  # case
            %220:i32 = load %result
            %x_147:i32 = let %220
            %222:i32 = load %i
            %x_148:i32 = let %222
            %224:bool = eq %x_147, %x_148
            %x_149:bool = let %224
            store %x_156_phi, %x_149
            %226:bool = eq %x_149, false
            if %226 [t: $B29] {  # if_9
              $B29: {  # true
                %227:f32 = load_vector_element %gl_FragCoord, 0u
                %x_154:f32 = let %227
                %229:bool = lt %x_154, 0.0f
                store %x_155, %229
                %230:bool = load %x_155
                store %x_156_phi, %230
                exit_if  # if_9
              }
            }
            %231:bool = load %x_156_phi
            %x_156:bool = let %231
            if %x_156 [t: $B30] {  # if_10
              $B30: {  # true
                %233:i32 = load %count
                %x_159:i32 = let %233
                %235:i32 = add %x_159, 1i
                store %count, %235
                exit_if  # if_10
              }
            }
            exit_switch  # switch_1
          }
          $B28: {  # case
            %236:i32 = load %result
            %x_141:i32 = let %236
            %238:bool = eq %x_141, -1i
            if %238 [t: $B31] {  # if_11
              $B31: {  # true
                %239:i32 = load %count
                %x_145:i32 = let %239
                %241:i32 = add %x_145, 1i
                store %count, %241
                exit_if  # if_11
              }
            }
            exit_switch  # switch_1
          }
        }
        continue  # -> $B24
      }
      $B24: {  # continuing
        %242:i32 = load %i
        %x_161:i32 = let %242
        %244:i32 = add %x_161, 1i
        store %i, %244
        next_iteration  # -> $B23
      }
    }
    %245:i32 = load %count
    %x_163:i32 = let %245
    %247:bool = eq %x_163, 20i
    if %247 [t: $B32, f: $B33] {  # if_12
      $B32: {  # true
        store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
        exit_if  # if_12
      }
      $B33: {  # false
        store %x_GLF_color, vec4<f32>(0.0f, 0.0f, 1.0f, 1.0f)
        exit_if  # if_12
      }
    }
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out {
  $B34: {
    store %gl_FragCoord, %gl_FragCoord_param
    %250:void = call %main_1
    %251:vec4<f32> = load %x_GLF_color
    %252:main_out = construct %251
    ret %252
  }
}

invalid entry point IO struct uses
********************************************************************
*  The tint shader compiler has encountered an unexpected error.   *
*                                                                  *
*  Please help us fix this issue by submitting a bug report at     *
*  crbug.com/tint with the source program that triggered the bug.  *
********************************************************************