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cbe: fix mutability issues with builtin test_functions

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This commit is contained in:
Jacob Young 2023-04-25 01:08:35 -04:00
parent f1782c07a9
commit a1fcb51692
4 changed files with 21 additions and 24 deletions
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2
src/Compilation.zig
View File

@ -5265,7 +5265,7 @@ pub fn generateBuiltinZigSource(comp: *Compilation, allocator: Allocator) Alloca
if (comp.bin_file.options.is_test) {
try buffer.appendSlice(
\\pub var test_functions: []std.builtin.TestFn = undefined; // overwritten later
\\pub var test_functions: []const std.builtin.TestFn = undefined; // overwritten later
\\
);
if (comp.test_evented_io) {

30
src/Module.zig
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@ -6439,19 +6439,25 @@ pub fn populateTestFunctions(
errdefer new_decl_arena.deinit();
const arena = new_decl_arena.allocator();
// This copy accesses the old Decl Type/Value so it must be done before `clearValues`.
const new_ty = try Type.Tag.const_slice.create(arena, try tmp_test_fn_ty.copy(arena));
const new_val = try Value.Tag.slice.create(arena, .{
.ptr = try Value.Tag.decl_ref.create(arena, array_decl_index),
.len = try Value.Tag.int_u64.create(arena, mod.test_functions.count()),
});
{
// This copy accesses the old Decl Type/Value so it must be done before `clearValues`.
const new_ty = try Type.Tag.const_slice.create(arena, try tmp_test_fn_ty.copy(arena));
const new_var = try gpa.create(Var);
errdefer gpa.destroy(new_var);
new_var.* = decl.val.castTag(.variable).?.data.*;
new_var.init = try Value.Tag.slice.create(arena, .{
.ptr = try Value.Tag.decl_ref.create(arena, array_decl_index),
.len = try Value.Tag.int_u64.create(arena, mod.test_functions.count()),
});
const new_val = try Value.Tag.variable.create(arena, new_var);
// Since we are replacing the Decl's value we must perform cleanup on the
// previous value.
decl.clearValues(mod);
decl.ty = new_ty;
decl.val = new_val;
decl.has_tv = true;
// Since we are replacing the Decl's value we must perform cleanup on the
// previous value.
decl.clearValues(mod);
decl.ty = new_ty;
decl.val = new_val;
decl.has_tv = true;
}
try decl.finalizeNewArena(&new_decl_arena);
}

12
src/codegen/c/type.zig
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@ -1720,17 +1720,7 @@ pub const CType = extern union {
} else self.init(.anon_struct);
},
.Opaque => switch (ty.tag()) {
.anyopaque => self.init(.void),
.@"opaque" => {
self.storage = .{ .fwd = .{
.base = .{ .tag = .fwd_struct },
.data = ty.getOwnerDecl(),
} };
self.value = .{ .cty = initPayload(&self.storage.fwd) };
},
else => unreachable,
},
.Opaque => self.init(.void),
.Fn => {
const info = ty.fnInfo();

1
test/behavior/basic.zig
View File

@ -774,6 +774,7 @@ test "extern variable with non-pointer opaque type" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
@export(var_to_export, .{ .name = "opaque_extern_var" });
try expect(@ptrCast(*align(1) u32, &opaque_extern_var).* == 42);