Mark rust_eh_unwind_resume as #[inline(always)]

rust-lang · Jan 28, 2020 · a2d6604 · a2d6604
1 parent 2dbac07
commit a2d6604
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/libpanic_unwind/gcc.rs b/src/libpanic_unwind/gcc.rs
@@ -332,6 +332,9 @@ unsafe fn find_eh_action(
 ))]
 #[lang = "eh_unwind_resume"]
 #[unwind(allowed)]
+// This must always be inlined because _Unwind_Resume expects to be called
+// directly from the landing pad.
+#[cfg_attr(not(bootstrap), inline(always))]
 unsafe extern "C" fn rust_eh_unwind_resume(panic_ctx: *mut u8) -> ! {
     uw::_Unwind_Resume(panic_ctx as *mut uw::_Unwind_Exception);
 }