diff --git a/src/compiler/c_abi_internal.h b/src/compiler/c_abi_internal.h
index 00872e0cd..4fe5b4f95 100644
--- a/src/compiler/c_abi_internal.h
+++ b/src/compiler/c_abi_internal.h
@@ -23,8 +23,8 @@ ABIArgInfo *abi_arg_new_direct_coerce(AbiType *target_type);
 ABIArgInfo *abi_arg_new_expand_coerce(AbiType *target_type, unsigned offset);
 ABIArgInfo *abi_arg_new_expand_coerce_pair(AbiType *first_element, unsigned initial_offset, AbiType *second_element, unsigned padding, bool is_packed);
 ABIArgInfo *abi_arg_new_expand_padded(Type *padding);
-ABIArgInfo *abi_arg_new_indirect_realigned(unsigned alignment);
-ABIArgInfo *abi_arg_new_indirect_by_val(void);
+ABIArgInfo *abi_arg_new_indirect_realigned(unsigned alignment, Type *by_val_type);
+ABIArgInfo *abi_arg_new_indirect_by_val(Type *by_val_type);
 ABIArgInfo *abi_arg_new_indirect_not_by_val(void);
 
 ByteSize abi_type_abi_alignment(AbiType *type);
diff --git a/src/compiler/compiler.c b/src/compiler/compiler.c
index 4baa1ae6d..e13965749 100644
--- a/src/compiler/compiler.c
+++ b/src/compiler/compiler.c
@@ -6,7 +6,7 @@
 #include "../build/build_options.h"
 #include <unistd.h>
 
-Compiler compiler;
+GlobalContext global_context;
 BuildTarget active_target;
 
 Vmem ast_arena;
@@ -22,8 +22,8 @@ void compiler_init(const char *std_lib_dir)
 	// Skip library detection.
 	//compiler.lib_dir = find_lib_dir();
 	//DEBUG_LOG("Found std library: %s", compiler.lib_dir);
-	stable_init(&compiler.modules, 64);
-	stable_init(&compiler.global_symbols, 0x1000);
+	stable_init(&global_context.modules, 64);
+	stable_init(&global_context.global_symbols, 0x1000);
 	vmem_init(&ast_arena, 4 * 1024);
 	vmem_init(&expr_arena, 4 * 1024);
 	vmem_init(&decl_arena, 1024);
@@ -37,20 +37,20 @@ void compiler_init(const char *std_lib_dir)
 	(void) tokdata_calloc();
 	if (std_lib_dir)
 	{
-		compiler.lib_dir = std_lib_dir;
+		global_context.lib_dir = std_lib_dir;
 	}
 	else
 	{
-		compiler.lib_dir = find_lib_dir();
+		global_context.lib_dir = find_lib_dir();
 	}
 }
 
 static void compiler_lex(void)
 {
-	VECEACH(compiler.sources, i)
+	VECEACH(global_context.sources, i)
 	{
 		bool loaded = false;
-		File *file = source_file_load(compiler.sources[i], &loaded);
+		File *file = source_file_load(global_context.sources[i], &loaded);
 		if (loaded) continue;
 		Lexer lexer;
 		lexer_init_with_file(&lexer, file);
@@ -68,10 +68,10 @@ static void compiler_lex(void)
 
 void compiler_parse(void)
 {
-	VECEACH(compiler.sources, i)
+	VECEACH(global_context.sources, i)
 	{
 		bool loaded = false;
-		File *file = source_file_load(compiler.sources[i], &loaded);
+		File *file = source_file_load(global_context.sources[i], &loaded);
 		if (loaded) continue;
 		diag_setup(active_target.test_output);
 		Context *context = context_create(file);
@@ -85,19 +85,19 @@ void compiler_compile(void)
 {
 	Context **contexts = NULL;
 	diag_setup(active_target.test_output);
-	if (compiler.lib_dir)
+	if (global_context.lib_dir)
 	{
-		vec_add(compiler.sources, strformat("%s/std/runtime.c3", compiler.lib_dir));
-		vec_add(compiler.sources, strformat("%s/std/builtin.c3", compiler.lib_dir));
-		vec_add(compiler.sources, strformat("%s/std/io.c3", compiler.lib_dir));
-		vec_add(compiler.sources, strformat("%s/std/mem.c3", compiler.lib_dir));
-		vec_add(compiler.sources, strformat("%s/std/array.c3", compiler.lib_dir));
-		vec_add(compiler.sources, strformat("%s/std/math.c3", compiler.lib_dir));
+		vec_add(global_context.sources, strformat("%s/std/runtime.c3", global_context.lib_dir));
+		vec_add(global_context.sources, strformat("%s/std/builtin.c3", global_context.lib_dir));
+		vec_add(global_context.sources, strformat("%s/std/io.c3", global_context.lib_dir));
+		vec_add(global_context.sources, strformat("%s/std/mem.c3", global_context.lib_dir));
+		vec_add(global_context.sources, strformat("%s/std/array.c3", global_context.lib_dir));
+		vec_add(global_context.sources, strformat("%s/std/math.c3", global_context.lib_dir));
 	}
-	VECEACH(compiler.sources, i)
+	VECEACH(global_context.sources, i)
 	{
 		bool loaded = false;
-		File *file = source_file_load(compiler.sources[i], &loaded);
+		File *file = source_file_load(global_context.sources[i], &loaded);
 		if (loaded) continue;
 		Context *context = context_create(file);
 		vec_add(contexts, context);
@@ -272,7 +272,7 @@ void compile_file_list(BuildOptions *options)
 
 void compile()
 {
-	compiler.sources = active_target.sources;
+	global_context.sources = active_target.sources;
 	symtab_init(active_target.symtab_size ? active_target.symtab_size : 64 * 1024);
 	target_expand_source_names(&active_target);
 	target_setup(&active_target);
@@ -294,19 +294,19 @@ void compile()
 
 Decl *compiler_find_symbol(const char *string)
 {
-	return stable_get(&compiler.global_symbols, string);
+	return stable_get(&global_context.global_symbols, string);
 }
 
-void compiler_add_type(Type *type)
+void global_context_add_type(Type *type)
 {
 	DEBUG_LOG("Created type %s.", type->name);
 	assert(type_ok(type));
-	VECADD(compiler.type, type);
+	VECADD(global_context.type, type);
 }
 
 Module *compiler_find_or_create_module(Path *module_name)
 {
-	Module *module = stable_get(&compiler.modules, module_name->module);
+	Module *module = stable_get(&global_context.modules, module_name->module);
 
 	if (module)
 	{
@@ -324,7 +324,7 @@ Module *compiler_find_or_create_module(Path *module_name)
 	module = CALLOCS(Module);
 	module->name = module_name;
 	stable_init(&module->symbols, 0x10000);
-	stable_set(&compiler.modules, module_name->module, module);
+	stable_set(&global_context.modules, module_name->module, module);
 	// Now find the possible parent array:
 	Path *parent_path = path_find_parent_path(NULL, module_name);
 	if (parent_path)
@@ -339,15 +339,15 @@ Module *compiler_find_or_create_module(Path *module_name)
 void compiler_register_public_symbol(Decl *decl)
 {
 	assert(decl->name);
-	Decl *prev = stable_get(&compiler.global_symbols, decl->name);
+	Decl *prev = stable_get(&global_context.global_symbols, decl->name);
 	// If the previous symbol was already declared globally, remove it.
-	stable_set(&compiler.global_symbols, decl->name, prev ? poisoned_decl : decl);
-	STable *sub_module_space = stable_get(&compiler.qualified_symbols, decl->module->name->module);
+	stable_set(&global_context.global_symbols, decl->name, prev ? poisoned_decl : decl);
+	STable *sub_module_space = stable_get(&global_context.qualified_symbols, decl->module->name->module);
 	if (!sub_module_space)
 	{
 		sub_module_space = malloc_arena(sizeof(*sub_module_space));
 		stable_init(sub_module_space, 0x100);
-		stable_set(&compiler.qualified_symbols, decl->module->name->module, sub_module_space);
+		stable_set(&global_context.qualified_symbols, decl->module->name->module, sub_module_space);
 	}
 	prev = stable_get(sub_module_space, decl->name);
 	stable_set(sub_module_space, decl->name, prev ? poisoned_decl : decl);
diff --git a/src/compiler/compiler_internal.h b/src/compiler/compiler_internal.h
index 385ac515a..964b56e0b 100644
--- a/src/compiler/compiler_internal.h
+++ b/src/compiler/compiler_internal.h
@@ -206,6 +206,7 @@ typedef struct
 typedef struct
 {
 	struct _FunctionSignature *signature;
+	const char *mangled_function_signature;
 } TypeFunc;
 
 struct _Type
@@ -354,7 +355,6 @@ typedef struct _FunctionSignature
 	struct ABIArgInfo_ *ret_abi_info;
 	struct ABIArgInfo_ *failable_abi_info;
 	Decl** params;
-	const char *mangled_signature;
 } FunctionSignature;
 
 typedef struct
@@ -1287,7 +1287,7 @@ typedef struct
 	Type **type;
 	const char *lib_dir;
 	const char **sources;
-} Compiler;
+} GlobalContext;
 
 typedef enum
 {
@@ -1370,13 +1370,13 @@ typedef struct ABIArgInfo_
 		{
 			// We may request a certain alignment of the parameters.
 			AlignSize realignment;
-			bool by_val : 1;
+			Type *by_val_type;
 		} indirect;
 	};
 
 } ABIArgInfo;
 
-extern Compiler compiler;
+extern GlobalContext global_context;
 extern BuildTarget active_target;
 extern Ast *poisoned_ast;
 extern Decl *poisoned_decl;
@@ -1489,7 +1489,7 @@ void llvm_codegen_setup();
 
 void header_gen(Context *context);
 
-void compiler_add_type(Type *type);
+void global_context_add_type(Type *type);
 Decl *compiler_find_symbol(const char *name);
 Module *compiler_find_or_create_module(Path *module_name);
 void compiler_register_public_symbol(Decl *decl);
@@ -1850,7 +1850,7 @@ static inline Type *type_new(TypeKind kind, const char *name)
 	type->type_kind = kind;
 	assert(name);
 	type->name = name;
-	compiler_add_type(type);
+	global_context_add_type(type);
 	return type;
 }
 
diff --git a/src/compiler/llvm_codegen_c_abi.c b/src/compiler/llvm_codegen_c_abi.c
index b6f48fcdf..0255adbd1 100644
--- a/src/compiler/llvm_codegen_c_abi.c
+++ b/src/compiler/llvm_codegen_c_abi.c
@@ -84,26 +84,26 @@ bool abi_arg_is_indirect(ABIArgInfo *info)
 	UNREACHABLE
 }
 
-ABIArgInfo *abi_arg_new_indirect_realigned(unsigned alignment)
+ABIArgInfo *abi_arg_new_indirect_realigned(unsigned alignment, Type *by_val_type)
 {
 	assert(alignment > 0);
 	ABIArgInfo *info = abi_arg_new(ABI_ARG_INDIRECT);
 	info->indirect.realignment = alignment;
-	info->indirect.by_val = true;
+	info->indirect.by_val_type = by_val_type;
 	return info;
 }
 
-ABIArgInfo *abi_arg_new_indirect_by_val(void)
+ABIArgInfo *abi_arg_new_indirect_by_val(Type *by_val_type)
 {
 	ABIArgInfo *info = abi_arg_new(ABI_ARG_INDIRECT);
-	info->indirect.by_val = true;
+	info->indirect.by_val_type = by_val_type;
 	return info;
 }
 
 ABIArgInfo *abi_arg_new_indirect_not_by_val(void)
 {
 	ABIArgInfo *info = abi_arg_new(ABI_ARG_INDIRECT);
-	info->indirect.by_val = false;
+	info->indirect.by_val_type = NULL;
 	return info;
 }
 
@@ -221,9 +221,9 @@ ABIArgInfo *c_abi_classify_argument_type_default(Type *type)
 	type = type_lowering(type);
 
 	// Struct-likes are returned by sret
-	if (type_is_abi_aggregate(type)) return abi_arg_new_indirect_by_val();
+	if (type_is_abi_aggregate(type)) return abi_arg_new_indirect_by_val(type);
 
-	if (type_is_int128(type) && !platform_target.int128) return abi_arg_new_indirect_by_val();
+	if (type_is_int128(type) && !platform_target.int128) return abi_arg_new_indirect_by_val(type);
 
 	// Otherwise do we have a type that needs promotion?
 	if (type_is_promotable_integer(type)) return abi_arg_new_direct_int_ext(type);
diff --git a/src/compiler/llvm_codegen_c_abi_aarch64.c b/src/compiler/llvm_codegen_c_abi_aarch64.c
index 8edda5edb..1d83a7d70 100644
--- a/src/compiler/llvm_codegen_c_abi_aarch64.c
+++ b/src/compiler/llvm_codegen_c_abi_aarch64.c
@@ -134,7 +134,7 @@ ABIArgInfo *aarch64_classify_return_type(Type *type, bool variadic)
 		return abi_arg_new_direct_coerce(abi_type_new_int_bits(aligned_size * 8));
 	}
 
-	return abi_arg_new_indirect_by_val();
+	return abi_arg_new_indirect_by_val(type);
 }
 
 
diff --git a/src/compiler/llvm_codegen_c_abi_x64.c b/src/compiler/llvm_codegen_c_abi_x64.c
index c06674cf2..ec3a4061d 100644
--- a/src/compiler/llvm_codegen_c_abi_x64.c
+++ b/src/compiler/llvm_codegen_c_abi_x64.c
@@ -113,16 +113,16 @@ ABIArgInfo *x64_indirect_result(Type *type, unsigned free_int_regs)
 	if (!free_int_regs)
 	{
 		unsigned size = type_size(type);
-		if (align == 8 && size <= 8)
+		if (align <= 8 && size <= 8)
 		{
 			return abi_arg_new_direct_coerce(abi_type_new_int_bits(size * 8));
 		}
 	}
 	if (align < 8)
 	{
-		return abi_arg_new_indirect_realigned(8);
+		return abi_arg_new_indirect_realigned(8, type);
 	}
-	return abi_arg_new_direct();
+	return abi_arg_new_indirect_by_val(type);
 }
 
 
@@ -794,7 +794,7 @@ static ABIArgInfo *x64_classify_argument_type(Type *type, unsigned free_int_regs
 {
 	X64Class hi_class;
 	X64Class lo_class;
-	x64_classify(type, 0, &lo_class, &hi_class, NAMED);
+	x64_classify(type, 0, &lo_class, &hi_class, is_named);
 
 	// Invariants
 	assert(hi_class != CLASS_MEMORY || lo_class == CLASS_MEMORY);
diff --git a/src/compiler/llvm_codegen_c_abi_x86.c b/src/compiler/llvm_codegen_c_abi_x86.c
index 2e6445ed1..24ea1b8fa 100644
--- a/src/compiler/llvm_codegen_c_abi_x86.c
+++ b/src/compiler/llvm_codegen_c_abi_x86.c
@@ -72,10 +72,10 @@ static ABIArgInfo *x86_create_indirect_result(Regs *regs, Type *type, ByVal by_v
 	// Realign if alignment is greater.
 	if (alignment > stack_alignment)
 	{
-		return abi_arg_new_indirect_realigned(stack_alignment);
+		return abi_arg_new_indirect_realigned(stack_alignment, type);
 	}
 
-	return abi_arg_new_indirect_by_val();
+	return abi_arg_new_indirect_by_val(type);
 }
 
 
diff --git a/src/compiler/llvm_codegen_debug_info.c b/src/compiler/llvm_codegen_debug_info.c
index 08f638d2b..b15f50f84 100644
--- a/src/compiler/llvm_codegen_debug_info.c
+++ b/src/compiler/llvm_codegen_debug_info.c
@@ -470,7 +470,7 @@ static LLVMMetadataRef llvm_debug_typedef_type(GenContext *c, Type *type)
 		                                  NULL, 0, NULL, 0);
 	}
 
-	Type *original_type = type->type_kind == TYPE_TYPEDEF ? decl->typedef_decl.type_info->type : decl->distinct_decl.base_type;
+	Type *original_type = type->type_kind == TYPE_TYPEDEF ? type->canonical : decl->distinct_decl.base_type;
 
 	SourceLocation *location = TOKLOC(decl->span.loc);
 	// Use forward references in case we haven't resolved the original type, since we could have this:
diff --git a/src/compiler/llvm_codegen_expr.c b/src/compiler/llvm_codegen_expr.c
index 1f6d4f0ac..105893867 100644
--- a/src/compiler/llvm_codegen_expr.c
+++ b/src/compiler/llvm_codegen_expr.c
@@ -2790,7 +2790,9 @@ void llvm_emit_call_expr(GenContext *c, BEValue *be_value, Expr *expr)
 		}
 	}
 
-	// 10. Create the actual call
+
+	// 10. Create the actual call (remember to emit a loc, because we might have shifted loc emitting the params)
+	EMIT_LOC(c, expr);
 	LLVMValueRef call_value = LLVMBuildCall2(c->builder, func_type, func, values, vec_size(values), "");
 
 	// 11. Process the return value.
diff --git a/src/compiler/llvm_codegen_function.c b/src/compiler/llvm_codegen_function.c
index 6095ccb86..3da889da1 100644
--- a/src/compiler/llvm_codegen_function.c
+++ b/src/compiler/llvm_codegen_function.c
@@ -507,8 +507,11 @@ static void llvm_emit_param_attributes(GenContext *context, LLVMValueRef functio
 			else
 			{
 				// TODO then type attributes are added to LLVM-C, use that for byval.
-				if (info->indirect.by_val) llvm_attribute_add(context, function, attribute_byval, index);
-				llvm_attribute_add(context, function, attribute_noalias, index);
+				if (info->indirect.by_val_type) llvm_attribute_add(context, function, attribute_byval, index);
+				if (!info->indirect.realignment)
+				{
+					llvm_attribute_add_int(context, function, attribute_align, type_abi_alignment(info->indirect.by_val_type), index);
+				}
 			}
 			break;
 
diff --git a/src/compiler/llvm_codegen_internal.h b/src/compiler/llvm_codegen_internal.h
index aef5754ea..7e141608b 100644
--- a/src/compiler/llvm_codegen_internal.h
+++ b/src/compiler/llvm_codegen_internal.h
@@ -21,6 +21,8 @@
 #include <llvm-c/Comdat.h>
 #include "dwarf.h"
 
+
+
 typedef enum
 {
 	BE_VALUE,
@@ -45,11 +47,6 @@ typedef struct
 	LLVMBasicBlockRef next_block;
 }  BreakContinue;
 
-
-
-
-
-
 typedef struct
 {
 	unsigned runtime_version : 8;
diff --git a/src/compiler/llvm_codegen_module.c b/src/compiler/llvm_codegen_module.c
index 15984d306..c82dc4b0a 100644
--- a/src/compiler/llvm_codegen_module.c
+++ b/src/compiler/llvm_codegen_module.c
@@ -65,9 +65,10 @@ void gencontext_begin_module(GenContext *c)
 	c->block_global_unique_count = 0;
 	c->ast_alloca_addr_space = target_alloca_addr_space();
 
-	VECEACH(compiler.type, i)
+	VECEACH(global_context.type, i)
 	{
-		compiler.type[i]->backend_type = NULL;
+		global_context.type[i]->backend_type = NULL;
+		global_context.type[i]->backend_debug_type = NULL;
 	}
 }
 
diff --git a/src/compiler/llvm_codegen_type.c b/src/compiler/llvm_codegen_type.c
index 486913a61..dce37427a 100644
--- a/src/compiler/llvm_codegen_type.c
+++ b/src/compiler/llvm_codegen_type.c
@@ -323,11 +323,11 @@ LLVMTypeRef llvm_get_pointee_type(GenContext *c, Type *any_type)
 
 LLVMTypeRef llvm_get_type(GenContext *c, Type *any_type)
 {
-	if (any_type->backend_type && LLVMGetTypeContext(any_type->backend_type) == c->context)
+	if (any_type->backend_type)
 	{
+		assert(LLVMGetTypeContext(any_type->backend_type) == c->context && "Should have been purged");
 		return any_type->backend_type;
 	}
-	DEBUG_LOG("Generating type %s", any_type->name);
 	switch (any_type->type_kind)
 	{
 		case TYPE_POISONED:
diff --git a/src/compiler/sema_decls.c b/src/compiler/sema_decls.c
index 3e53ce36c..10f6c5942 100644
--- a/src/compiler/sema_decls.c
+++ b/src/compiler/sema_decls.c
@@ -420,15 +420,16 @@ static inline Type *sema_analyse_function_signature(Context *context, FunctionSi
 	if (!all_ok) return NULL;
 
 	TokenType type = TOKEN_INVALID_TOKEN;
-	signature->mangled_signature = symtab_add(buffer, buffer_write_offset, fnv1a(buffer, buffer_write_offset), &type);
-	Type *func_type = stable_get(&context->local_symbols, signature->mangled_signature);
+	const char *mangled_signature = symtab_add(buffer, buffer_write_offset, fnv1a(buffer, buffer_write_offset), &type);
+	Type *func_type = stable_get(&context->local_symbols, mangled_signature);
 	c_abi_func_create(signature);
 	if (!func_type)
 	{
-		func_type = type_new(TYPE_FUNC, signature->mangled_signature);
+		func_type = type_new(TYPE_FUNC, mangled_signature);
 		func_type->canonical = func_type;
 		func_type->func.signature = signature;
-		stable_set(&context->local_symbols, signature->mangled_signature, func_type);
+		func_type->func.mangled_function_signature = mangled_signature;
+		stable_set(&context->local_symbols, mangled_signature, func_type);
 	}
 	return func_type;
 
diff --git a/src/compiler/sema_passes.c b/src/compiler/sema_passes.c
index 74828b545..ac8a1ee22 100644
--- a/src/compiler/sema_passes.c
+++ b/src/compiler/sema_passes.c
@@ -25,7 +25,7 @@ void sema_analysis_pass_process_imports(Context *context)
 		Decl *import = context->imports[i];
 		import->resolve_status = RESOLVE_RUNNING;
 		Path *path = import->import.path;
-		Module *module = stable_get(&compiler.modules, path->module);
+		Module *module = stable_get(&global_context.modules, path->module);
 		DEBUG_LOG("- Import of %s.", path->module);
 		if (!module)
 		{
diff --git a/src/compiler/types.c b/src/compiler/types.c
index a7e3393d3..e36fc99b4 100644
--- a/src/compiler/types.c
+++ b/src/compiler/types.c
@@ -122,17 +122,7 @@ const char *type_to_error_string(Type *type)
 		case TYPE_VIRTUAL:
 			return type->name;
 		case TYPE_FUNC:
-		{
-			asprintf(&buffer, type->func.signature->failable ? "func %s!(" : "func %s(",
-					type_to_error_string(type->func.signature->rtype->type));
-			VECEACH(type->func.signature->params, i)
-			{
-				if (i != 0) buffer = strcat_arena(buffer, ", ");
-				strcat_arena(buffer, type_to_error_string(type->func.signature->params[i]->type));
-			}
-
-			return strcat_arena(buffer, ")");
-		}
+			return strcat_arena("func ", type->func.mangled_function_signature);
 		case TYPE_COMPLEX:
 			switch (type->complex->type_kind)
 			{
@@ -1037,6 +1027,7 @@ static void type_create(const char *name, Type *location, TypeKind kind, unsigne
 	};
 	location->name = name;
 	location->canonical = location;
+	global_context_add_type(location);
 }
 
 static void type_create_alias(const char *name, Type *location, Type *canonical)
@@ -1046,6 +1037,7 @@ static void type_create_alias(const char *name, Type *location, Type *canonical)
 		.name = name,
 		.canonical = canonical
 	};
+	global_context_add_type(location);
 }
 
 
diff --git a/test/test_suite/expressions/casts/cast_func_to_various.c3 b/test/test_suite/expressions/casts/cast_func_to_various.c3
index 23a3d3093..3fbdbbca6 100644
--- a/test/test_suite/expressions/casts/cast_func_to_various.c3
+++ b/test/test_suite/expressions/casts/cast_func_to_various.c3
@@ -23,17 +23,17 @@ func void test1(Func arg)
 
 func void test2(Func arg)
 {
-    ichar b = cast(arg as ichar);               // #error: Cannot cast 'Func' (func void()) to 'ichar'.
+    ichar b = cast(arg as ichar);               // #error: Cannot cast 'Func' (func void(int)) to 'ichar'.
 }
 
 func void test3(Func arg)
 {
-    uint c = cast(arg as uint);                 // #error: Cannot cast 'Func' (func void()) to 'uint'.
+    uint c = cast(arg as uint);                 // #error: Cannot cast 'Func' (func void(int)) to 'uint'.
 }
 
 func void test4(Func arg)
 {
-    float d = cast(arg as float);               // #error: Cannot cast 'Func' (func void()) to 'float'.
+    float d = cast(arg as float);               // #error: Cannot cast 'Func' (func void(int)) to 'float'.
 }
 
 func void test7(Func arg)
@@ -41,7 +41,7 @@ func void test7(Func arg)
     usize g = cast(arg as usize);
     FuncOther k = cast(arg as FuncOther);
     FuncSame l = cast(arg as FuncSame);
-    FuncOther ke = arg;                         // #error: Cannot implicitly cast 'Func' (func void()) to 'FuncOther' (func bool())
+    FuncOther ke = arg;                         // #error: Cannot implicitly cast 'Func' (func void(int)) to 'FuncOther' (func bool(char*))
     FuncSame fe = arg;
-    Enum j = cast(arg as Enum);                 // #error: Cannot cast 'Func' (func void()) to 'Enum'.
+    Enum j = cast(arg as Enum);                 // #error: Cannot cast 'Func' (func void(int)) to 'Enum'.
 }