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Sema: ensure args to inline comptime args are comptime-known

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Closes #14413
This commit is contained in:
Veikka Tuominen 2023-01-22 17:26:32 +02:00
parent 92dfc07489
commit 720d82721f
2 changed files with 22 additions and 0 deletions
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5
src/Sema.zig
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@ -6879,6 +6879,8 @@ fn analyzeInlineCallArg(
if (err == error.AnalysisFail and param_block.comptime_reason != null) try param_block.comptime_reason.?.explain(sema, sema.err);
return err;
};
} else if (!is_comptime_call and zir_tags[inst] == .param_comptime) {
_ = try sema.resolveConstMaybeUndefVal(arg_block, arg_src, uncasted_arg, "parameter is comptime");
}
const casted_arg = sema.coerceExtra(arg_block, param_ty, uncasted_arg, arg_src, .{ .param_src = .{
.func_inst = func_inst,
@ -6952,6 +6954,9 @@ fn analyzeInlineCallArg(
.val = arg_val,
};
} else {
if (zir_tags[inst] == .param_anytype_comptime) {
_ = try sema.resolveConstMaybeUndefVal(arg_block, arg_src, uncasted_arg, "parameter is comptime");
}
sema.inst_map.putAssumeCapacityNoClobber(inst, uncasted_arg);
}

17
test/cases/compile_errors/inline_call_runtime_value_to_comptime_param.zig Normal file
View File

@ -0,0 +1,17 @@
inline fn needComptime(comptime a: u64) void {
if (a != 0) @compileError("foo");
}
fn acceptRuntime(value: u64) void {
needComptime(value);
}
pub export fn entry() void {
var value: u64 = 0;
acceptRuntime(value);
}
// error
// backend=stage2
// target=native
//
// :5:18: error: unable to resolve comptime value
// :5:18: note: parameter is comptime