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Sema: fix generic fn instantiation with anytype

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When the anytype parameter had only one-possible-value
(e.g. `void`), it would create a mismatch in the function type and the
function call. Now the function type and the callsite both omit the
one-possible-value anytype parameter in instantiated generic functions.
This commit is contained in:
Andrew Kelley 2022-03-09 15:32:12 -07:00
parent 2aa4a32097
commit 83bb3d1ad6
3 changed files with 9 additions and 2 deletions
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3
src/Sema.zig
View File

@ -6158,6 +6158,9 @@ fn zirParamAnytype(
// function type of the function instruction in this block.
return;
}
if (null != try sema.typeHasOnePossibleValue(block, src, param_ty)) {
return;
}
// The map is already populated but we do need to add a runtime parameter.
try block.params.append(sema.gpa, .{
.ty = param_ty,

2
test/behavior/translate_c_macros.zig
View File

@ -39,7 +39,7 @@ test "reference to a struct type" {
}
test "cast negative integer to pointer" {
if (builtin.zig_backend != .stage1) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
try expectEqual(@intToPtr(?*anyopaque, @bitCast(usize, @as(isize, -1))), h.MAP_FAILED);
}

6
test/behavior/tuple.zig
View File

@ -50,7 +50,11 @@ test "tuple multiplication" {
}
test "more tuple concatenation" {
if (builtin.zig_backend != .stage1) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
const T = struct {
fn consume_tuple(tuple: anytype, len: usize) !void {