Commit 490addde278001694d554a9a9fe2eb8235831143 | zig

Closes #14505

2 files changed, 33 insertions(+), 1 deletions(-)

src/Sema.zig+12-1

...	@@ -9015,7 +9015,18 @@ fn zirParam(	...	@@ -9015,7 +9015,18 @@ fn zirParam(
9015	if (is_comptime and sema.preallocated_new_func != null) {	9015	if (is_comptime and sema.preallocated_new_func != null) {
9016	// We have a comptime value for this parameter so it should be elided from the	9016	// We have a comptime value for this parameter so it should be elided from the
9017	// function type of the function instruction in this block.	9017	// function type of the function instruction in this block.
9018	const coerced_arg = try sema.coerce(block, param_ty, arg, src);	9018	const coerced_arg = sema.coerce(block, param_ty, arg, .unneeded) catch \|err\| switch (err) {
		9019	error.NeededSourceLocation => {
		9020	// We are instantiating a generic function and a comptime arg
		9021	// cannot be coerced to the param type, but since we don't
		9022	// have the callee source location return `GenericPoison`
		9023	// so that the instantiation is failed and the coercion
		9024	// is handled by comptime call logic instead.
		9025	assert(sema.is_generic_instantiation);
		9026	return error.GenericPoison;
		9027	},
		9028	else => return err,
		9029	};
9019	sema.inst_map.putAssumeCapacity(inst, coerced_arg);	9030	sema.inst_map.putAssumeCapacity(inst, coerced_arg);
9020	return;	9031	return;
9021	}	9032	}

test/cases/compile_errors/comptime_arg_to_generic_fn_callee_error.zig created+21

...	@@ -0,0 +1,21 @@
1	const std = @import("std");
2	const MyStruct = struct {
3	a: i32,
4	b: i32,
5
6	pub fn getA(self: *List) i32 {
7	return self.items(.c);
8	}
9	};
10	const List = std.MultiArrayList(MyStruct);
11	pub export fn entry() void {
12	var list = List{};
13	_ = MyStruct.getA(&list);
14	}
15
16	// error
17	// backend=stage2
18	// target=native
19	//
20	// :7:28: error: no field named 'c' in enum 'meta.FieldEnum(tmp.MyStruct)'
21	// :?:?: note: enum declared here