Auto merge of rust-lang#1696 - RalfJung:abi-check, r=RalfJung

add test for caller ABI check
JohnTitor · Jan 29, 2021 · bcb87a7 · bcb87a7
2 parents b38dc83 + 9d777d8
commit bcb87a7
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/tests/compile-fail/check_arg_abi.rs b/tests/compile-fail/check_arg_abi.rs
@@ -0,0 +1,9 @@
+fn main() {
+    extern "Rust" {
+        fn malloc(size: usize) -> *mut std::ffi::c_void;
+    }
+
+    unsafe {
+        let _ = malloc(0); //~ ERROR calling a function with ABI C using caller ABI Rust
+    };
+}