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translate-c: better mangling strategy

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Block-local identifiers have block-local mangling numbers, and more
consistent mangling is applied within blocks. Parameters, for example,
are treated the same as other block-local variables, and are not mangled
unless they conflict with another name in scope.
This commit is contained in:
Andrew Kelley
2019-12-31 20:39:33 -05:00
parent 5749f706ef
commit 42945a269a
2 changed files with 228 additions and 227 deletions
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368
test/translate_c.zig
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@@ -1106,8 +1106,8 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\pub var a: c_long = @intCast(c_long, 2);
\\pub var b: c_long = @intCast(c_long, 2);
\\pub var c: c_int = 4;
\\pub export fn foo(_arg_c_1: u8) void {
\\ var c_1 = _arg_c_1;
\\pub export fn foo(arg_c_1: u8) void {
\\ var c_1 = arg_c_1;
\\ var a_2: c_int = undefined;
\\ var b_3: u8 = @intCast(u8, 123);
\\ b_3 = @intCast(u8, a_2);
@@ -1144,9 +1144,9 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ var a: c_int = undefined;
\\ var b: c_int = undefined;
\\ a = blk: {
\\ const _tmp_1 = 2;
\\ b = _tmp_1;
\\ break :blk _tmp_1;
\\ const tmp = 2;
\\ b = tmp;
\\ break :blk tmp;
\\ };
\\}
});
@@ -1197,14 +1197,14 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ var a: c_int = 5;
\\ while (2 != 0) a = 2;
\\ while (4 != 0) {
\\ var a: c_int = 4;
\\ a = 9;
\\ var a_1: c_int = 4;
\\ a_1 = 9;
\\ _ = 6;
\\ return a;
\\ return a_1;
\\ }
\\ while (true) {
\\ var a: c_int = 2;
\\ a = 12;
\\ var a_1: c_int = 2;
\\ a_1 = 12;
\\ if (!(4 != 0)) break;
\\ }
\\ while (true) {
@@ -1284,15 +1284,15 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ }
\\}
, &[_][]const u8{
\\pub export fn switch_fn(_arg_i_1: c_int) c_int {
\\ var i_1 = _arg_i_1;
\\pub export fn switch_fn(arg_i: c_int) c_int {
\\ var i = arg_i;
\\ var res: c_int = 0;
\\ __switch: {
\\ __case_2: {
\\ __default: {
\\ __case_1: {
\\ __case_0: {
\\ switch (i_1) {
\\ switch (i) {
\\ 0 => break :__case_0,
\\ 1...3 => break :__case_1,
\\ else => break :__default,
@@ -1303,7 +1303,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ }
\\ res = 2;
\\ }
\\ res = (3 * i_1);
\\ res = (3 * i);
\\ break :__switch;
\\ }
\\ res = 5;
@@ -1346,11 +1346,11 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ a = tmp;
\\}
, &[_][]const u8{
\\pub export fn max(_arg_a_1: c_int) c_int {
\\ var a_1 = _arg_a_1;
\\pub export fn max(arg_a: c_int) c_int {
\\ var a = arg_a;
\\ var tmp: c_int = undefined;
\\ tmp = a_1;
\\ a_1 = tmp;
\\ tmp = a;
\\ a = tmp;
\\}
});
@@ -1360,14 +1360,14 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ c = b = a;
\\}
, &[_][]const u8{
\\pub export fn max(_arg_a_1: c_int) void {
\\ var a_1 = _arg_a_1;
\\pub export fn max(arg_a: c_int) void {
\\ var a = arg_a;
\\ var b: c_int = undefined;
\\ var c: c_int = undefined;
\\ c = blk: {
\\ const _tmp_2 = a_1;
\\ b = _tmp_2;
\\ break :blk _tmp_2;
\\ const tmp = a;
\\ b = tmp;
\\ break :blk tmp;
\\ };
\\}
});
@@ -1391,9 +1391,9 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return (int)a;
\\}
, &[_][]const u8{
\\pub export fn float_to_int(_arg_a_1: f32) c_int {
\\ var a_1 = _arg_a_1;
\\ return @floatToInt(c_int, a_1);
\\pub export fn float_to_int(arg_a: f32) c_int {
\\ var a = arg_a;
\\ return @floatToInt(c_int, a);
\\}
});
@@ -1487,23 +1487,23 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ C,
\\};
\\pub const SomeTypedef = c_int;
\\pub export fn and_or_non_bool(_arg_a_1: c_int, _arg_b_2: f32, _arg_c_3: ?*c_void) c_int {
\\ var a_1 = _arg_a_1;
\\ var b_2 = _arg_b_2;
\\ var c_3 = _arg_c_3;
\\pub export fn and_or_non_bool(arg_a: c_int, arg_b: f32, arg_c: ?*c_void) c_int {
\\ var a = arg_a;
\\ var b = arg_b;
\\ var c = arg_c;
\\ var d: enum_Foo = @intToEnum(enum_Foo, FooA);
\\ var e: c_int = @boolToInt(((a_1 != 0) and (b_2 != 0)));
\\ var f: c_int = @boolToInt(((b_2 != 0) and (c_3 != null)));
\\ var g: c_int = @boolToInt(((a_1 != 0) and (c_3 != null)));
\\ var h: c_int = @boolToInt(((a_1 != 0) or (b_2 != 0)));
\\ var i: c_int = @boolToInt(((b_2 != 0) or (c_3 != null)));
\\ var j: c_int = @boolToInt(((a_1 != 0) or (c_3 != null)));
\\ var k: c_int = @boolToInt(((a_1 != 0) or (@enumToInt(d) != 0)));
\\ var l: c_int = @boolToInt(((@enumToInt(d) != 0) and (b_2 != 0)));
\\ var m: c_int = @boolToInt(((c_3 != null) or (@enumToInt(d) != 0)));
\\ var e: c_int = @boolToInt(((a != 0) and (b != 0)));
\\ var f: c_int = @boolToInt(((b != 0) and (c != null)));
\\ var g: c_int = @boolToInt(((a != 0) and (c != null)));
\\ var h: c_int = @boolToInt(((a != 0) or (b != 0)));
\\ var i: c_int = @boolToInt(((b != 0) or (c != null)));
\\ var j: c_int = @boolToInt(((a != 0) or (c != null)));
\\ var k: c_int = @boolToInt(((a != 0) or (@enumToInt(d) != 0)));
\\ var l: c_int = @boolToInt(((@enumToInt(d) != 0) and (b != 0)));
\\ var m: c_int = @boolToInt(((c != null) or (@enumToInt(d) != 0)));
\\ var td: SomeTypedef = 44;
\\ var o: c_int = @boolToInt(((td != 0) or (b_2 != 0)));
\\ var p: c_int = @boolToInt(((c_3 != null) and (td != 0)));
\\ var o: c_int = @boolToInt(((td != 0) or (b != 0)));
\\ var p: c_int = @boolToInt(((c != null) and (td != 0)));
\\ return ((((((((((e + f) + g) + h) + i) + j) + k) + l) + m) + o) + p);
\\}
,
@@ -1541,10 +1541,10 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return (a & b) ^ (a | b);
\\}
, &[_][]const u8{
\\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
\\ var a_1 = _arg_a_1;
\\ var b_2 = _arg_b_2;
\\ return ((a_1 & b_2) ^ (a_1 | b_2));
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
\\ var a = arg_a;
\\ var b = arg_b;
\\ return ((a & b) ^ (a | b));
\\}
});
@@ -1560,13 +1560,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return i;
\\}
, &[_][]const u8{
\\pub export fn test_comparisons(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
\\ var a_1 = _arg_a_1;
\\ var b_2 = _arg_b_2;
\\ var c: c_int = @boolToInt((a_1 < b_2));
\\ var d: c_int = @boolToInt((a_1 > b_2));
\\ var e: c_int = @boolToInt((a_1 <= b_2));
\\ var f: c_int = @boolToInt((a_1 >= b_2));
\\pub export fn test_comparisons(arg_a: c_int, arg_b: c_int) c_int {
\\ var a = arg_a;
\\ var b = arg_b;
\\ var c: c_int = @boolToInt((a < b));
\\ var d: c_int = @boolToInt((a > b));
\\ var e: c_int = @boolToInt((a <= b));
\\ var f: c_int = @boolToInt((a >= b));
\\ var g: c_int = @boolToInt((c < d));
\\ var h: c_int = @boolToInt((e < f));
\\ var i: c_int = @boolToInt((g < h));
@@ -1583,12 +1583,12 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return a;
\\}
, &[_][]const u8{
\\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
\\ var a_1 = _arg_a_1;
\\ var b_2 = _arg_b_2;
\\ if (a_1 == b_2) return a_1;
\\ if (a_1 != b_2) return b_2;
\\ return a_1;
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
\\ var a = arg_a;
\\ var b = arg_b;
\\ if (a == b) return a;
\\ if (a != b) return b;
\\ return a;
\\}
});
@@ -1661,9 +1661,9 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\}
, &[_][]const u8{
\\pub export var array: [100]c_int = .{0} ** 100;
\\pub export fn foo(_arg_index_1: c_int) c_int {
\\ var index_1 = _arg_index_1;
\\ return array[index_1];
\\pub export fn foo(arg_index: c_int) c_int {
\\ var index = arg_index;
\\ return array[index];
\\}
,
\\pub const ACCESS = array[2];
@@ -1686,12 +1686,12 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return a;
\\}
, &[_][]const u8{
\\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
\\ var a_1 = _arg_a_1;
\\ var b_2 = _arg_b_2;
\\ if ((a_1 < b_2) or (a_1 == b_2)) return b_2;
\\ if ((a_1 >= b_2) and (a_1 == b_2)) return a_1;
\\ return a_1;
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
\\ var a = arg_a;
\\ var b = arg_b;
\\ if ((a < b) or (a == b)) return b;
\\ if ((a >= b) and (a == b)) return a;
\\ return a;
\\}
});
@@ -1708,12 +1708,12 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ if (a < b) ; else ;
\\}
, &[_][]const u8{
\\pub export fn max(_arg_a_1: c_int, _arg_b_2: c_int) c_int {
\\ var a_1 = _arg_a_1;
\\ var b_2 = _arg_b_2;
\\ if (a_1 < b_2) return b_2;
\\ if (a_1 < b_2) return b_2 else return a_1;
\\ if (a_1 < b_2) {} else {}
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
\\ var a = arg_a;
\\ var b = arg_b;
\\ if (a < b) return b;
\\ if (a < b) return b else return a;
\\ if (a < b) {} else {}
\\}
});
@@ -1732,15 +1732,15 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ B,
\\ C,
\\};
\\pub export fn if_none_bool(_arg_a_1: c_int, _arg_b_2: f32, _arg_c_3: ?*c_void, _arg_d_4: enum_SomeEnum) c_int {
\\ var a_1 = _arg_a_1;
\\ var b_2 = _arg_b_2;
\\ var c_3 = _arg_c_3;
\\ var d_4 = _arg_d_4;
\\ if (a_1 != 0) return 0;
\\ if (b_2 != 0) return 1;
\\ if (c_3 != null) return 2;
\\ if (d_4 != 0) return 3;
\\pub export fn if_none_bool(arg_a: c_int, arg_b: f32, arg_c: ?*c_void, arg_d: enum_SomeEnum) c_int {
\\ var a = arg_a;
\\ var b = arg_b;
\\ var c = arg_c;
\\ var d = arg_d;
\\ if (a != 0) return 0;
\\ if (b != 0) return 1;
\\ if (c != null) return 2;
\\ if (d != 0) return 3;
\\ return 4;
\\}
});
@@ -1762,9 +1762,9 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return a < 0 ? -a : a;
\\}
, &[_][]const u8{
\\pub export fn abs(_arg_a_1: c_int) c_int {
\\ var a_1 = _arg_a_1;
\\ return if (a_1 < 0) -a_1 else a_1;
\\pub export fn abs(arg_a: c_int) c_int {
\\ var a = arg_a;
\\ return if (a < 0) -a else a;
\\}
});
@@ -1782,20 +1782,20 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return a;
\\}
, &[_][]const u8{
\\pub export fn foo1(_arg_a_1: c_uint) c_uint {
\\ var a_1 = _arg_a_1;
\\ a_1 +%= 1;
\\ return a_1;
\\pub export fn foo1(arg_a: c_uint) c_uint {
\\ var a = arg_a;
\\ a +%= 1;
\\ return a;
\\}
\\pub export fn foo2(_arg_a_2: c_int) c_int {
\\ var a_2 = _arg_a_2;
\\ a_2 += 1;
\\ return a_2;
\\pub export fn foo2(arg_a: c_int) c_int {
\\ var a = arg_a;
\\ a += 1;
\\ return a;
\\}
\\pub export fn foo3(_arg_a_3: [*c]c_int) [*c]c_int {
\\ var a_3 = _arg_a_3;
\\ a_3 += 1;
\\ return a_3;
\\pub export fn foo3(arg_a: [*c]c_int) [*c]c_int {
\\ var a = arg_a;
\\ a += 1;
\\ return a;
\\}
});
@@ -1851,24 +1851,24 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ u +%= 1;
\\ u -%= 1;
\\ i = (blk: {
\\ const _ref_1 = &i;
\\ _ref_1.* += 1;
\\ break :blk _ref_1.*;
\\ const ref = &i;
\\ ref.* += 1;
\\ break :blk ref.*;
\\ });
\\ i = (blk: {
\\ const _ref_2 = &i;
\\ _ref_2.* -= 1;
\\ break :blk _ref_2.*;
\\ const ref = &i;
\\ ref.* -= 1;
\\ break :blk ref.*;
\\ });
\\ u = (blk: {
\\ const _ref_3 = &u;
\\ _ref_3.* +%= 1;
\\ break :blk _ref_3.*;
\\ const ref = &u;
\\ ref.* +%= 1;
\\ break :blk ref.*;
\\ });
\\ u = (blk: {
\\ const _ref_4 = &u;
\\ _ref_4.* -%= 1;
\\ break :blk _ref_4.*;
\\ const ref = &u;
\\ ref.* -%= 1;
\\ break :blk ref.*;
\\ });
\\}
});
@@ -1882,11 +1882,11 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return i;
\\}
, &[_][]const u8{
\\pub export fn log2(_arg_a_1: c_uint) c_int {
\\ var a_1 = _arg_a_1;
\\pub export fn log2(arg_a: c_uint) c_int {
\\ var a = arg_a;
\\ var i: c_int = 0;
\\ while (a_1 > @intCast(c_uint, 0)) {
\\ a_1 >>= @as(@import("std").math.Log2Int(c_int), 1);
\\ while (a > @intCast(c_uint, 0)) {
\\ a >>= @as(@import("std").math.Log2Int(c_int), 1);
\\ }
\\ return i;
\\}
@@ -1902,11 +1902,11 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ return i;
\\}
, &[_][]const u8{
\\pub export fn log2(_arg_a_1: u32) c_int {
\\ var a_1 = _arg_a_1;
\\pub export fn log2(arg_a: u32) c_int {
\\ var a = arg_a;
\\ var i: c_int = 0;
\\ while (a_1 > @intCast(c_uint, 0)) {
\\ a_1 >>= @as(@import("std").math.Log2Int(c_int), 1);
\\ while (a > @intCast(c_uint, 0)) {
\\ a >>= @as(@import("std").math.Log2Int(c_int), 1);
\\ }
\\ return i;
\\}
@@ -1928,44 +1928,44 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\pub export fn foo() void {
\\ var a: c_int = 0;
\\ a += (blk: {
\\ const _ref_1 = &a;
\\ _ref_1.* = _ref_1.* + 1;
\\ break :blk _ref_1.*;
\\ const ref = &a;
\\ ref.* = ref.* + 1;
\\ break :blk ref.*;
\\ });
\\ a -= (blk: {
\\ const _ref_2 = &a;
\\ _ref_2.* = _ref_2.* - 1;
\\ break :blk _ref_2.*;
\\ const ref = &a;
\\ ref.* = ref.* - 1;
\\ break :blk ref.*;
\\ });
\\ a *= (blk: {
\\ const _ref_3 = &a;
\\ _ref_3.* = _ref_3.* * 1;
\\ break :blk _ref_3.*;
\\ const ref = &a;
\\ ref.* = ref.* * 1;
\\ break :blk ref.*;
\\ });
\\ a &= (blk: {
\\ const _ref_4 = &a;
\\ _ref_4.* = _ref_4.* & 1;
\\ break :blk _ref_4.*;
\\ const ref = &a;
\\ ref.* = ref.* & 1;
\\ break :blk ref.*;
\\ });
\\ a |= (blk: {
\\ const _ref_5 = &a;
\\ _ref_5.* = _ref_5.* | 1;
\\ break :blk _ref_5.*;
\\ const ref = &a;
\\ ref.* = ref.* | 1;
\\ break :blk ref.*;
\\ });
\\ a ^= (blk: {
\\ const _ref_6 = &a;
\\ _ref_6.* = _ref_6.* ^ 1;
\\ break :blk _ref_6.*;
\\ const ref = &a;
\\ ref.* = ref.* ^ 1;
\\ break :blk ref.*;
\\ });
\\ a >>= @as(@import("std").math.Log2Int(c_int), (blk: {
\\ const _ref_7 = &a;
\\ _ref_7.* = _ref_7.* >> @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk _ref_7.*;
\\ const ref = &a;
\\ ref.* = ref.* >> @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk ref.*;
\\ }));
\\ a <<= @as(@import("std").math.Log2Int(c_int), (blk: {
\\ const _ref_8 = &a;
\\ _ref_8.* = _ref_8.* << @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk _ref_8.*;
\\ const ref = &a;
\\ ref.* = ref.* << @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk ref.*;
\\ }));
\\}
});
@@ -1986,44 +1986,44 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\pub export fn foo() void {
\\ var a: c_uint = @intCast(c_uint, 0);
\\ a +%= (blk: {
\\ const _ref_1 = &a;
\\ _ref_1.* = _ref_1.* +% @intCast(c_uint, 1);
\\ break :blk _ref_1.*;
\\ const ref = &a;
\\ ref.* = ref.* +% @intCast(c_uint, 1);
\\ break :blk ref.*;
\\ });
\\ a -%= (blk: {
\\ const _ref_2 = &a;
\\ _ref_2.* = _ref_2.* -% @intCast(c_uint, 1);
\\ break :blk _ref_2.*;
\\ const ref = &a;
\\ ref.* = ref.* -% @intCast(c_uint, 1);
\\ break :blk ref.*;
\\ });
\\ a *%= (blk: {
\\ const _ref_3 = &a;
\\ _ref_3.* = _ref_3.* *% @intCast(c_uint, 1);
\\ break :blk _ref_3.*;
\\ const ref = &a;
\\ ref.* = ref.* *% @intCast(c_uint, 1);
\\ break :blk ref.*;
\\ });
\\ a &= (blk: {
\\ const _ref_4 = &a;
\\ _ref_4.* = _ref_4.* & @intCast(c_uint, 1);
\\ break :blk _ref_4.*;
\\ const ref = &a;
\\ ref.* = ref.* & @intCast(c_uint, 1);
\\ break :blk ref.*;
\\ });
\\ a |= (blk: {
\\ const _ref_5 = &a;
\\ _ref_5.* = _ref_5.* | @intCast(c_uint, 1);
\\ break :blk _ref_5.*;
\\ const ref = &a;
\\ ref.* = ref.* | @intCast(c_uint, 1);
\\ break :blk ref.*;
\\ });
\\ a ^= (blk: {
\\ const _ref_6 = &a;
\\ _ref_6.* = _ref_6.* ^ @intCast(c_uint, 1);
\\ break :blk _ref_6.*;
\\ const ref = &a;
\\ ref.* = ref.* ^ @intCast(c_uint, 1);
\\ break :blk ref.*;
\\ });
\\ a >>= @as(@import("std").math.Log2Int(c_uint), (blk: {
\\ const _ref_7 = &a;
\\ _ref_7.* = _ref_7.* >> @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk _ref_7.*;
\\ const ref = &a;
\\ ref.* = ref.* >> @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk ref.*;
\\ }));
\\ a <<= @as(@import("std").math.Log2Int(c_uint), (blk: {
\\ const _ref_8 = &a;
\\ _ref_8.* = _ref_8.* << @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk _ref_8.*;
\\ const ref = &a;
\\ ref.* = ref.* << @as(@import("std").math.Log2Int(c_int), 1);
\\ break :blk ref.*;
\\ }));
\\}
});
@@ -2050,28 +2050,28 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ u +%= 1;
\\ u -%= 1;
\\ i = (blk: {
\\ const _ref_1 = &i;
\\ const _tmp_2 = _ref_1.*;
\\ _ref_1.* += 1;
\\ break :blk _tmp_2;
\\ const ref = &i;
\\ const tmp = ref.*;
\\ ref.* += 1;
\\ break :blk tmp;
\\ });
\\ i = (blk: {
\\ const _ref_3 = &i;
\\ const _tmp_4 = _ref_3.*;
\\ _ref_3.* -= 1;
\\ break :blk _tmp_4;
\\ const ref = &i;
\\ const tmp = ref.*;
\\ ref.* -= 1;
\\ break :blk tmp;
\\ });
\\ u = (blk: {
\\ const _ref_5 = &u;
\\ const _tmp_6 = _ref_5.*;
\\ _ref_5.* +%= 1;
\\ break :blk _tmp_6;
\\ const ref = &u;
\\ const tmp = ref.*;
\\ ref.* +%= 1;
\\ break :blk tmp;
\\ });
\\ u = (blk: {
\\ const _ref_7 = &u;
\\ const _tmp_8 = _ref_7.*;
\\ _ref_7.* -%= 1;
\\ break :blk _tmp_8;
\\ const ref = &u;
\\ const tmp = ref.*;
\\ ref.* -%= 1;
\\ break :blk tmp;
\\ });
\\}
});
@@ -2139,10 +2139,10 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\}
, &[_][]const u8{
\\pub fn bar() void {}
\\pub export fn foo(_arg_baz_1: ?extern fn () [*c]c_int) void {
\\ var baz_1 = _arg_baz_1;
\\pub export fn foo(arg_baz: ?extern fn () [*c]c_int) void {
\\ var baz = arg_baz;
\\ bar();
\\ _ = baz_1.?();
\\ _ = baz.?();
\\}
});