fix returning scalar values

```zig
export fn entry1() i32 {
    return bar();
}
```

```llvm
define i32 @entry1() #2 !dbg !35 {
Entry:
  %0 = call fastcc i32 @bar(), !dbg !39
  ret i32 %0, !dbg !41
}
```

1 files changed, 5 insertions, 1 deletions

diff --git a/src/ir.cpp b/src/ir.cpp
index df7a593601..b3d5109e93 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -14866,7 +14866,11 @@ static IrInstruction *ir_resolve_result(IrAnalyze *ira, IrInstruction *suspend_s
         }
         case ResultLocIdReturn: {
             bool is_comptime = value != nullptr && value->value.special != ConstValSpecialRuntime;
-            if (is_comptime) return nullptr;
+            if (is_comptime)
+                return nullptr;
+            if (!type_has_bits(ira->explicit_return_type) || !handle_is_ptr(ira->explicit_return_type))
+                return nullptr;
+
             ZigType *ptr_return_type = get_pointer_to_type(ira->codegen, ira->explicit_return_type, false);
             result_loc->written = true;
             result_loc->resolved_loc = ir_build_return_ptr(ira, result_loc->source_instruction, ptr_return_type);