From f16b4910150f841d57c92aed6fa089f387da0d92 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 21 Mar 2020 17:28:46 +0100 Subject: [PATCH] remove unnecessary cast --- src/librustc_mir/interpret/operand.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/librustc_mir/interpret/operand.rs b/src/librustc_mir/interpret/operand.rs index 9c2175dc0e40a..f6be92174ad46 100644 --- a/src/librustc_mir/interpret/operand.rs +++ b/src/librustc_mir/interpret/operand.rs @@ -341,7 +341,7 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { // Turn the wide MPlace into a string (must already be dereferenced!) pub fn read_str(&self, mplace: MPlaceTy<'tcx, M::PointerTag>) -> InterpResult<'tcx, &str> { let len = mplace.len(self)?; - let bytes = self.memory.read_bytes(mplace.ptr, Size::from_bytes(u64::from(len)))?; + let bytes = self.memory.read_bytes(mplace.ptr, Size::from_bytes(len))?; let str = ::std::str::from_utf8(bytes) .map_err(|err| err_ub_format!("this string is not valid UTF-8: {}", err))?; Ok(str)