1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstd/sys_common/backtrace.rs b/src/libstd/sys_common/backtrace.rs
index 36cbce2df75..a364a0392b3 100644
--- a/src/libstd/sys_common/backtrace.rs
+++ b/src/libstd/sys_common/backtrace.rs
@@ -41,6 +41,8 @@ pub struct Frame {
     pub exact_position: *const u8,
     /// Address of the enclosing function.
     pub symbol_addr: *const u8,
+    /// Which inlined function is this frame referring to
+    pub inline_context: u32,
 }
 
 /// Max number of frames to print.
@@ -64,6 +66,7 @@ fn _print(w: &mut Write, format: PrintFormat) -> io::Result<()> {
     let mut frames = [Frame {
         exact_position: ptr::null(),
         symbol_addr: ptr::null(),
+        inline_context: 0,
     }; MAX_NB_FRAMES];
     let (nb_frames, context) = unwind_backtrace(&mut frames)?;
     let (skipped_before, skipped_after) =