Add a debugging aid

oli-obk · oli-obk · commit f8c3dc69c836 · 2018-10-22T13:05:41.000+02:00
diff --git a/src/librustc/mir/interpret/value.rs b/src/librustc/mir/interpret/value.rs
@@ -50,6 +50,7 @@ impl<'tcx> ConstValue<'tcx> {
     #[inline]
     pub fn try_get_bytes(&self, hdl: impl HasDataLayout, n: Size, align: Align) -> Option<&[u8]> {
         let (_, alloc, offset) = self.try_as_by_ref()?;
+        trace!("{:?}", alloc.get_bytes(hdl, offset, n, align));
         alloc.get_bytes(hdl, offset, n, align).ok()
     }
 

Original file line number	Diff line number	Diff line change
`@@ -50,6 +50,7 @@ impl<'tcx> ConstValue<'tcx> {`
`50`	`50`	`#[inline]`
`51`	`51`	`pub fn try_get_bytes(&self, hdl: impl HasDataLayout, n: Size, align: Align) -> Option<&[u8]> {`
`52`	`52`	`let (_, alloc, offset) = self.try_as_by_ref()?;`
	`53`	`+ trace!("{:?}", alloc.get_bytes(hdl, offset, n, align));`
`53`	`54`	`alloc.get_bytes(hdl, offset, n, align).ok()`
`54`	`55`	`}`
`55`	`56`