diff --git a/src/Module.zig b/src/Module.zig
index 5a2426d6af..36a42e96a6 100644
--- a/src/Module.zig
+++ b/src/Module.zig
@@ -930,7 +930,7 @@ pub const Scope = struct {
         /// Only valid when setBlockResultLoc is called.
         break_result_loc: astgen.ResultLoc = undefined,
         /// When a block has a pointer result location, here it is.
-        rl_ptr: zir.Inst.Index = 0,
+        rl_ptr: zir.Inst.Ref = 0,
         /// Keeps track of how many branches of a block did not actually
         /// consume the result location. astgen uses this to figure out
         /// whether to rely on break instructions or writing to the result
@@ -1136,18 +1136,8 @@ pub const Scope = struct {
             /// Absolute node index. This function does the conversion to offset from Decl.
             src_node: ast.Node.Index,
         ) !zir.Inst.Ref {
-            return gz.zir_code.ref_start_index + try gz.addUnNodeAsIndex(tag, operand, src_node);
-        }
-
-        pub fn addUnNodeAsIndex(
-            gz: *GenZir,
-            tag: zir.Inst.Tag,
-            operand: zir.Inst.Ref,
-            /// Absolute node index. This function does the conversion to offset from Decl.
-            src_node: ast.Node.Index,
-        ) !zir.Inst.Index {
             assert(operand != 0);
-            return gz.addAsIndex(.{
+            return gz.add(.{
                 .tag = tag,
                 .data = .{ .un_node = .{
                     .operand = operand,
@@ -1245,18 +1235,9 @@ pub const Scope = struct {
             lhs: zir.Inst.Ref,
             rhs: zir.Inst.Ref,
         ) !zir.Inst.Ref {
-            return gz.zir_code.ref_start_index + try gz.addBinAsIndex(tag, lhs, rhs);
-        }
-
-        pub fn addBinAsIndex(
-            gz: *GenZir,
-            tag: zir.Inst.Tag,
-            lhs: zir.Inst.Ref,
-            rhs: zir.Inst.Ref,
-        ) !zir.Inst.Index {
             assert(lhs != 0);
             assert(rhs != 0);
-            return gz.addAsIndex(.{
+            return gz.add(.{
                 .tag = tag,
                 .data = .{ .bin = .{
                     .lhs = lhs,
@@ -1336,10 +1317,6 @@ pub const Scope = struct {
         }
 
         pub fn add(gz: *GenZir, inst: zir.Inst) !zir.Inst.Ref {
-            return gz.zir_code.ref_start_index + try gz.addAsIndex(inst);
-        }
-
-        pub fn addAsIndex(gz: *GenZir, inst: zir.Inst) !zir.Inst.Index {
             const gpa = gz.zir_code.gpa;
             try gz.instructions.ensureCapacity(gpa, gz.instructions.items.len + 1);
             try gz.zir_code.instructions.ensureCapacity(gpa, gz.zir_code.instructions.len + 1);
@@ -1347,7 +1324,7 @@ pub const Scope = struct {
             const new_index = @intCast(zir.Inst.Index, gz.zir_code.instructions.len);
             gz.zir_code.instructions.appendAssumeCapacity(inst);
             gz.instructions.appendAssumeCapacity(new_index);
-            return new_index;
+            return gz.zir_code.ref_start_index + new_index;
         }
     };
 
diff --git a/src/astgen.zig b/src/astgen.zig
index 91994e8e37..e24cb871a2 100644
--- a/src/astgen.zig
+++ b/src/astgen.zig
@@ -1195,6 +1195,7 @@ fn varDecl(
         return mod.failNode(scope, var_decl.ast.align_node, "TODO implement alignment on locals", .{});
     }
     const gz = scope.getGenZir();
+    const wzc = gz.zir_code;
     const tree = scope.tree();
     const token_tags = tree.tokens.items(.tag);
 
@@ -1276,7 +1277,7 @@ fn varDecl(
             var init_scope: Scope.GenZir = .{
                 .parent = scope,
                 .force_comptime = gz.force_comptime,
-                .zir_code = gz.zir_code,
+                .zir_code = wzc,
             };
             defer init_scope.instructions.deinit(mod.gpa);
 
@@ -1285,16 +1286,16 @@ fn varDecl(
             if (var_decl.ast.type_node != 0) {
                 const type_inst = try typeExpr(mod, &init_scope.base, var_decl.ast.type_node);
                 opt_type_inst = type_inst;
-                init_scope.rl_ptr = try init_scope.addUnNodeAsIndex(.alloc, type_inst, node);
+                init_scope.rl_ptr = try init_scope.addUnNode(.alloc, type_inst, node);
             } else {
-                const alloc = try init_scope.addUnNodeAsIndex(.alloc_inferred, undefined, node);
-                resolve_inferred_alloc = init_scope.zir_code.ref_start_index + alloc;
+                const alloc = try init_scope.addUnNode(.alloc_inferred, undefined, node);
+                resolve_inferred_alloc = alloc;
                 init_scope.rl_ptr = alloc;
             }
             const init_result_loc: ResultLoc = .{ .block_ptr = &init_scope };
             const init_inst = try expr(mod, &init_scope.base, init_result_loc, var_decl.ast.init_node);
-            const zir_tags = gz.zir_code.instructions.items(.tag);
-            const zir_datas = gz.zir_code.instructions.items(.data);
+            const zir_tags = wzc.instructions.items(.tag);
+            const zir_datas = wzc.instructions.items(.data);
 
             const parent_zir = &gz.instructions;
             if (init_scope.rvalue_rl_count == 1) {
@@ -1305,7 +1306,7 @@ fn varDecl(
                 const expected_len = parent_zir.items.len + init_scope.instructions.items.len - 2;
                 try parent_zir.ensureCapacity(mod.gpa, expected_len);
                 for (init_scope.instructions.items) |src_inst| {
-                    if (src_inst == init_scope.rl_ptr) continue;
+                    if (wzc.ref_start_index + src_inst == init_scope.rl_ptr) continue;
                     if (zir_tags[src_inst] == .store_to_block_ptr) {
                         if (zir_datas[src_inst].bin.lhs == init_scope.rl_ptr) continue;
                     }
@@ -3192,26 +3193,27 @@ fn asRlPtr(
     // result location. If it does, elide the coerce_result_ptr instruction
     // as well as the store instruction, instead passing the result as an rvalue.
     const parent_gz = scope.getGenZir();
+    const wzc = parent_gz.zir_code;
 
     var as_scope: Scope.GenZir = .{
         .parent = scope,
-        .zir_code = parent_gz.zir_code,
+        .zir_code = wzc,
         .force_comptime = parent_gz.force_comptime,
         .instructions = .{},
     };
     defer as_scope.instructions.deinit(mod.gpa);
 
-    as_scope.rl_ptr = try as_scope.addBinAsIndex(.coerce_result_ptr, dest_type, result_ptr);
+    as_scope.rl_ptr = try as_scope.addBin(.coerce_result_ptr, dest_type, result_ptr);
     const result = try expr(mod, &as_scope.base, .{ .block_ptr = &as_scope }, operand_node);
     const parent_zir = &parent_gz.instructions;
     if (as_scope.rvalue_rl_count == 1) {
         // Busted! This expression didn't actually need a pointer.
-        const zir_tags = parent_gz.zir_code.instructions.items(.tag);
-        const zir_datas = parent_gz.zir_code.instructions.items(.data);
+        const zir_tags = wzc.instructions.items(.tag);
+        const zir_datas = wzc.instructions.items(.data);
         const expected_len = parent_zir.items.len + as_scope.instructions.items.len - 2;
         try parent_zir.ensureCapacity(mod.gpa, expected_len);
         for (as_scope.instructions.items) |src_inst| {
-            if (src_inst == as_scope.rl_ptr) continue;
+            if (wzc.ref_start_index + src_inst == as_scope.rl_ptr) continue;
             if (zir_tags[src_inst] == .store_to_block_ptr) {
                 if (zir_datas[src_inst].bin.lhs == as_scope.rl_ptr) continue;
             }
diff --git a/test/stage2/test.zig b/test/stage2/test.zig
index d475f5dff0..66e97e8bb4 100644
--- a/test/stage2/test.zig
+++ b/test/stage2/test.zig
@@ -355,7 +355,7 @@ pub fn addCases(ctx: *TestContext) !void {
             \\    const z = @TypeOf(true, 1);
             \\    unreachable;
             \\}
-        , &[_][]const u8{":2:29: error: incompatible types: 'bool' and 'comptime_int'"});
+        , &[_][]const u8{":2:15: error: incompatible types: 'bool' and 'comptime_int'"});
     }
 
     {