diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/rust/backend/rust-compile-base.cc | 3 | ||||
| -rw-r--r-- | gcc/testsuite/rust/compile/issue-3978.rs | 8 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/rust/backend/rust-compile-base.cc b/gcc/rust/backend/rust-compile-base.cc index b2913ad..8994520 100644 --- a/gcc/rust/backend/rust-compile-base.cc +++ b/gcc/rust/backend/rust-compile-base.cc @@ -697,7 +697,8 @@ HIRCompileBase::compile_function ( = canonical_path.get () + fntype->subst_as_string (); // we don't mangle the main fn since we haven't implemented the main shim - bool is_main_fn = fn_name.compare ("main") == 0 && is_root_item; + bool is_main_fn = fn_name.compare ("main") == 0 && is_root_item + && canonical_path.size () <= 2; if (is_main_fn) { rust_assert (!main_identifier_node); diff --git a/gcc/testsuite/rust/compile/issue-3978.rs b/gcc/testsuite/rust/compile/issue-3978.rs new file mode 100644 index 0000000..4f17d3d --- /dev/null +++ b/gcc/testsuite/rust/compile/issue-3978.rs @@ -0,0 +1,8 @@ +type Dimension = usize; + +pub fn main() {} + +mod m2 { + fn main() {} + // { dg-warning "function is never used" "" { target *-*-* } .-1 } +} |