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authorRobin Kruppe <robin.kruppe@gmail.com>2018-02-14 23:11:29 +0100
committerRobin Kruppe <robin.kruppe@gmail.com>2018-02-15 19:49:50 +0100
commit051ea5cc9bac00c7f588b4eae72b8a382d8ceb68 (patch)
treea3011f11a8464e418db327a0513ef8dbaece16fc /src/test
parent9d493c897b4382dc145b9448b3fafdfbbaecf528 (diff)
downloadrust-051ea5cc9bac00c7f588b4eae72b8a382d8ceb68.tar.gz
rust-051ea5cc9bac00c7f588b4eae72b8a382d8ceb68.zip
[improper_ctypes] Don't suggest raw pointers when encountering trait objects
It's unhelpful since raw pointers to trait objects are also FFI-unsafe and casting to a thin raw pointer loses the vtable. There are working solutions that _involve_ raw pointers but they're too complex to explain in one line and have serious trade offs.
Diffstat (limited to 'src/test')
-rw-r--r--src/test/ui/lint-ctypes.stderr2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/test/ui/lint-ctypes.stderr b/src/test/ui/lint-ctypes.stderr
index 2abf08d55f7..748c311055f 100644
--- a/src/test/ui/lint-ctypes.stderr
+++ b/src/test/ui/lint-ctypes.stderr
@@ -78,8 +78,6 @@ error: `extern` block uses type `std::clone::Clone` which is not FFI-safe: trait
    |
 62 |     pub fn trait_type(p: &Clone); //~ ERROR uses type `std::clone::Clone`
    |                          ^^^^^^
-   |
-   = help: consider using a raw pointer instead
 
 error: `extern` block uses type `(i32, i32)` which is not FFI-safe: tuples have unspecified layout
   --> $DIR/lint-ctypes.rs:63:26