Commit 560baf67ce77de41da3d03183300cdf1b6d90567 | zig

Closes #12570

2 files changed, 22 insertions(+), 1 deletions(-)

src/Sema.zig+1-1

...	@@ -22564,7 +22564,7 @@ fn coerceExtra(	...	@@ -22564,7 +22564,7 @@ fn coerceExtra(
22564	// Function body to function pointer.	22564	// Function body to function pointer.
22565	if (inst_ty.zigTypeTag() == .Fn) {	22565	if (inst_ty.zigTypeTag() == .Fn) {
22566	const fn_val = try sema.resolveConstValue(block, .unneeded, inst, undefined);	22566	const fn_val = try sema.resolveConstValue(block, .unneeded, inst, undefined);
22567	const fn_decl = fn_val.castTag(.function).?.data.owner_decl;	22567	const fn_decl = fn_val.pointerDecl().?;
22568	const inst_as_ptr = try sema.analyzeDeclRef(fn_decl);	22568	const inst_as_ptr = try sema.analyzeDeclRef(fn_decl);
22569	return sema.coerce(block, dest_ty, inst_as_ptr, inst_src);	22569	return sema.coerce(block, dest_ty, inst_as_ptr, inst_src);
22570	}	22570	}

test/behavior/fn.zig+21

...	@@ -422,3 +422,24 @@ test "import passed byref to function in return type" {	...	@@ -422,3 +422,24 @@ test "import passed byref to function in return type" {
422	var list = S.get();	422	var list = S.get();
423	try expect(list.items.len == 0);	423	try expect(list.items.len == 0);
424	}	424	}
		425
		426	test "implicit cast function to function ptr" {
		427	if (builtin.zig_backend == .stage1) return error.SkipZigTest;
		428	if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
		429	if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
		430	if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
		431	if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
		432
		433	const S1 = struct {
		434	export fn someFunctionThatReturnsAValue() c_int {
		435	return 123;
		436	}
		437	};
		438	var fnPtr1: *const fn () callconv(.C) c_int = S1.someFunctionThatReturnsAValue;
		439	try expect(fnPtr1() == 123);
		440	const S2 = struct {
		441	extern fn someFunctionThatReturnsAValue() c_int;
		442	};
		443	var fnPtr2: *const fn () callconv(.C) c_int = S2.someFunctionThatReturnsAValue;
		444	try expect(fnPtr2() == 123);
		445	}