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| author | Philip Herron <philip.herron@embecosm.com> | 2022-09-18 10:37:06 +0100 |
|---|---|---|
| committer | Philip Herron <philip.herron@embecosm.com> | 2022-09-18 10:37:35 +0100 |
| commit | 5f01d6c53734802955568771e75df68ffc2fd0d8 (patch) | |
| tree | 4f78124e43846c0dfb272858ed60cc681236a140 /gcc | |
| parent | a6bb21fca5b9ad5cadcaa6a3dba481972ce0ed7e (diff) | |
| download | gcc-5f01d6c53734802955568771e75df68ffc2fd0d8.zip gcc-5f01d6c53734802955568771e75df68ffc2fd0d8.tar.gz gcc-5f01d6c53734802955568771e75df68ffc2fd0d8.tar.bz2 | |
Add testcase for const-eval issue from rust-blog
see:
https://blog.rust-lang.org/2022/09/15/const-eval-safety-rule-revision.html
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/rust/compile/rust-const-blog-issue.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/rust/compile/rust-const-blog-issue.rs b/gcc/testsuite/rust/compile/rust-const-blog-issue.rs new file mode 100644 index 0000000..a5ea2eb --- /dev/null +++ b/gcc/testsuite/rust/compile/rust-const-blog-issue.rs @@ -0,0 +1,12 @@ +// { dg-excess-errors "accessing value of" } +mod mem { + extern "rust-intrinsic" { + #[rustc_const_stable(feature = "const_transmute", since = "1.46.0")] + fn transmute<T, U>(_: T) -> U; + } +} + +pub static FOO: () = unsafe { + let illegal_ptr2int: usize = mem::transmute(&()); + let _copy = illegal_ptr2int; +}; |