disallow C pointers to non-C-ABI-compatible element types

See #1059
2019-02-12 00:51:06 -05:00
parent 0abe6d668e
commit 285e2f62ba
4 changed files with 16 additions and 2 deletions
--- a/test/compile_errors.zig
+++ b/test/compile_errors.zig
@@ -1,6 +1,16 @@
 const tests = @import("tests.zig");

 pub fn addCases(cases: *tests.CompileErrorContext) void {
+    cases.addTest(
+        "C pointer pointing to non C ABI compatible type",
+        \\const Foo = struct {};
+        \\export fn entry() [*c]Foo {
+        \\    return undefined;
+        \\}
+    ,
+        ".tmp_source.zig:2:19: error: C pointers cannot point to non-C-ABI-compatible type 'Foo'",
+    );
+
    cases.addTest(
        "@truncate undefined value",
        \\export fn entry() void {