Explain why we forward to self-printing during self-printing

oli-obk · oli-obk · commit 0347ca7d0227 · 2020-11-04T10:13:09.000Z
diff --git a/compiler/rustc_middle/src/ty/consts/int.rs b/compiler/rustc_middle/src/ty/consts/int.rs
@@ -194,7 +194,7 @@ impl ScalarInt {
         f_int: impl FnOnce(u64) -> InterpResult<'tcx, u64>,
     ) -> InterpResult<'tcx, Self> {
         assert_eq!(u64::from(self.size), dl.pointer_size.bytes());
-        Ok(Self::try_from_uint(f_int(u64::try_from(self.data).unwrap())?, self.size).unwrap())
+        Ok(Self::try_from_uint(f_int(u64::try_from(self.data).unwrap())?, self.size()).unwrap())
     }
 
     #[inline]
@@ -328,6 +328,7 @@ impl fmt::Debug for ScalarInt {
             self.check_data();
             write!(f, "<ZST>")
         } else {
+            // Dispatch to LowerHex below.
             write!(f, "0x{:x}", self)
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -194,7 +194,7 @@ impl ScalarInt {`
`194`	`194`	`f_int: impl FnOnce(u64) -> InterpResult<'tcx, u64>,`
`195`	`195`	`) -> InterpResult<'tcx, Self> {`
`196`	`196`	`assert_eq!(u64::from(self.size), dl.pointer_size.bytes());`
`197`		`- Ok(Self::try_from_uint(f_int(u64::try_from(self.data).unwrap())?, self.size).unwrap())`
	`197`	`+ Ok(Self::try_from_uint(f_int(u64::try_from(self.data).unwrap())?, self.size()).unwrap())`
`198`	`198`	`}`
`199`	`199`
`200`	`200`	`#[inline]`
`@@ -328,6 +328,7 @@ impl fmt::Debug for ScalarInt {`
`328`	`328`	`self.check_data();`
`329`	`329`	`write!(f, "<ZST>")`
`330`	`330`	`} else {`
	`331`	`+ // Dispatch to LowerHex below.`
`331`	`332`	`write!(f, "0x{:x}", self)`
`332`	`333`	`}`
`333`	`334`	`}`