[DebugInfo] Enable debug_scope_distinct.swift test (#78383)

It was previously disabled in #73373

Author: kovdan01

test/DebugInfo/debug_scope_distinct.swift

@@ -1,32 +1,27 @@
 // REQUIRES: differentiable_programming
 
-// XFAIL: *
-
 // RUN: %empty-directory(%t)
 // RUN: %target-swiftc_driver -DM -emit-module -emit-module-path %t/M.swiftmodule %s -module-name M
 // RUN: %target-swiftc_driver -O -g -I %t -c %s -emit-ir -o - | %FileCheck %s
 // RUN: %target-swiftc_driver -O -g -I %t -c %s -o /dev/null
 
 // REQUIRES: CPU=arm64 || CPU=x86_64 || CPU=arm64e
 
-// XFAIL: *
-// rdar://128505421
-
 // CHECK: define {{.*}} void @"$s4main1TV4move2byyAC13TangentVectorV_tF"
-// CHECK-SAME: ptr {{.*}} %[[ARG_PTR:.*]],
+// CHECK-SAME: ptr {{.*}} %[[ARG_PTR:.*]], ptr
 //
 // CHECK: %[[ARG0:.*]] = load {{.*}} %[[ARG_PTR]]
-// CHECK: #dbg_value({{.*}} %[[ARG0]], ![[VAR1:[0-9]+]], !DIExpression(DW_OP_LLVM_fragment, 0, 64), !dbg ![[LOC1:[0-9]+]]
+// CHECK: #dbg_value({{.*}} %[[ARG0]], ![[VAR1:[0-9]+]], !DIExpression(DW_OP_LLVM_fragment, 0, 64), ![[LOC1:[0-9]+]]
 // CHECK: %[[ARG1_GEP:.*]] = getelementptr inbounds i8, ptr %[[ARG_PTR]], i64 8
 // CHECK: %[[ARG1:.*]] = load {{.*}} %[[ARG1_GEP]]
-// CHECK: #dbg_value({{.*}} %[[ARG1]], ![[VAR1]], !DIExpression(DW_OP_LLVM_fragment, 64, 8), !dbg ![[LOC1]]
+// CHECK: #dbg_value({{.*}} %[[ARG1]], ![[VAR1]], !DIExpression(DW_OP_LLVM_fragment, 64, 8), ![[LOC1]]
 //
-// CHECK: %[[ARG2_GEP:.*]] = getelementptr inbounds %T4main1TV13TangentVectorV, ptr %[[ARG_PTR]], i64 0, i32 2
+// CHECK: %[[ARG2_GEP:.*]] = getelementptr inbounds i8, ptr %[[ARG_PTR]], i64 32
 // CHECK: %[[ARG2:.*]] = load {{.*}} %[[ARG2_GEP]]
-// CHECK: #dbg_value({{.*}} %[[ARG2]], ![[VAR1]], !DIExpression(DW_OP_LLVM_fragment, 0, 64), !dbg ![[LOC2:[0-9]+]]
-// CHECK: %[[ARG3_GEP:.*]] = getelementptr inbounds %T4main1TV13TangentVectorV, ptr %[[ARG_PTR]], i64 0, i32 2, i32 0, i32 1
+// CHECK: #dbg_value({{.*}} %[[ARG2]], ![[VAR1]], !DIExpression(DW_OP_LLVM_fragment, 0, 64), ![[LOC2:[0-9]+]]
+// CHECK: %[[ARG3_GEP:.*]] = getelementptr inbounds i8, ptr %[[ARG_PTR]], i64 40
 // CHECK: %[[ARG3:.*]] = load {{.*}} %[[ARG3_GEP]]
-// CHECK: #dbg_value({{.*}} %[[ARG3]], ![[VAR1]], !DIExpression(DW_OP_LLVM_fragment, 64, 8), !dbg ![[LOC2]]
+// CHECK: #dbg_value({{.*}} %[[ARG3]], ![[VAR1]], !DIExpression(DW_OP_LLVM_fragment, 64, 8), ![[LOC2]]
 
 // CHECK-DAG: ![[VAR1]] = !DILocalVariable(name: "offset", arg: 1, scope: ![[SCOPE:[0-9]+]]