Commit b0e8bf15f5017cf101eb31f74dd264eaf136045f | zig

2 files changed, 53 insertions(+), 0 deletions(-)

src/Sema.zig+3

...	...	@@ -20961,6 +20961,9 @@ fn analyzeLoad(
20961	20961	}
20962	20962	}
20963	20963
	20964	const valid_rt = try sema.validateRunTimeType(block, src, elem_ty, false);
	20965	if (!valid_rt) return sema.failWithNeededComptime(block, src);
	20966
20964	20967	try sema.requireRuntimeBlock(block, src);
20965	20968	return block.addTyOp(.load, elem_ty, ptr);
20966	20969	}

test/cases/compile_errors/dereference_anyopaque.zig created+50

...	...	@@ -0,0 +1,50 @@
	1	const std = @import("std");
	2
	3	const Error = error{Something};
	4
	5	fn next() Error!void {
	6	return;
	7	}
	8
	9	fn parse(comptime T: type, allocator: std.mem.Allocator) !void {
	10	parseFree(T, undefined, allocator);
	11	_ = (try next()) != null;
	12	}
	13
	14	fn parseFree(comptime T: type, value: T, allocator: std.mem.Allocator) void {
	15	switch (@typeInfo(T)) {
	16	.Struct => \|structInfo\| {
	17	inline for (structInfo.fields) \|field\| {
	18	if (!field.is_comptime)
	19	parseFree(field.field_type, undefined, allocator);
	20	}
	21	},
	22	.Pointer => \|ptrInfo\| {
	23	switch (ptrInfo.size) {
	24	.One => {
	25	parseFree(ptrInfo.child, value.*, allocator);
	26	},
	27	.Slice => {
	28	for (value) \|v\|
	29	parseFree(ptrInfo.child, v, allocator);
	30	},
	31	else => unreachable,
	32	}
	33	},
	34	else => unreachable,
	35	}
	36	}
	37
	38	pub export fn entry() void {
	39	const allocator = std.testing.allocator_instance.allocator();
	40	_ = parse(std.StringArrayHashMap(bool), allocator) catch return;
	41	}
	42
	43	// error
	44	// backend=llvm
	45	//
	46	// :11:22: error: comparison of 'void' with null
	47	// :25:51: error: unable to resolve comptime value
	48	// :25:51: error: unable to resolve comptime value
	49	// :25:51: error: unable to resolve comptime value
	50	// :25:51: error: unable to resolve comptime value