2 files changed, 26 insertions, 4 deletions
diff --git a/vendor/bumpalo/src/collections/vec.rs b/vendor/bumpalo/src/collections/vec.rs
index 312aa055b..66c821b10 100644
--- a/vendor/bumpalo/src/collections/vec.rs
+++ b/vendor/bumpalo/src/collections/vec.rs
@@ -104,6 +104,8 @@ use core::ops::{Index, IndexMut, RangeBounds};
 use core::ptr;
 use core::ptr::NonNull;
 use core::slice;
+#[cfg(feature = "std")]
+use std::io;
 
 unsafe fn arith_offset<T>(p: *const T, offset: isize) -> *const T {
     p.offset(offset)
@@ -2612,3 +2614,23 @@ where
         }
     }
 }
+
+#[cfg(feature = "std")]
+impl<'bump> io::Write for Vec<'bump, u8> {
+    #[inline]
+    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+        self.extend_from_slice(buf);
+        Ok(buf.len())
+    }
+
+    #[inline]
+    fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
+        self.extend_from_slice(buf);
+        Ok(())
+    }
+
+    #[inline]
+    fn flush(&mut self) -> io::Result<()> {
+        Ok(())
+    }
+}
diff --git a/vendor/bumpalo/src/lib.rs b/vendor/bumpalo/src/lib.rs
index c25e03ca3..a173321e8 100755
--- a/vendor/bumpalo/src/lib.rs
+++ b/vendor/bumpalo/src/lib.rs
@@ -1,7 +1,7 @@
 #![doc = include_str!("../README.md")]
 #![deny(missing_debug_implementations)]
 #![deny(missing_docs)]
-#![no_std]
+#![cfg_attr(not(feature = "std"), no_std)]
 #![cfg_attr(feature = "allocator_api", feature(allocator_api))]
 
 #[doc(hidden)]
@@ -1430,7 +1430,7 @@ impl Bump {
             let aligned_ptr = ptr.wrapping_sub(rem);
 
             if aligned_ptr >= start {
-                let aligned_ptr = NonNull::new_unchecked(aligned_ptr as *mut u8);
+                let aligned_ptr = NonNull::new_unchecked(aligned_ptr);
                 footer.ptr.set(aligned_ptr);
                 Some(aligned_ptr)
             } else {
@@ -1455,7 +1455,7 @@ impl Bump {
         let current_footer = self.current_chunk_footer.get();
         let current_footer = unsafe { current_footer.as_ref() };
 
-        current_footer as *const _ as usize - current_footer.data.as_ptr() as usize
+        current_footer.ptr.get().as_ptr() as usize - current_footer.data.as_ptr() as usize
     }
 
     /// Slow path allocation for when we need to allocate a new chunk from the
@@ -1529,7 +1529,7 @@ impl Bump {
                 ptr,
                 new_footer
             );
-            let ptr = NonNull::new_unchecked(ptr as *mut u8);
+            let ptr = NonNull::new_unchecked(ptr);
             new_footer.ptr.set(ptr);
 
             // Return a pointer to the freshly allocated region in this chunk.