Auto merge of #58189 - kennytm:rollup, r=kennytm

Rollup of 23 pull requests

Successful merges:

 - #58001 (proc_macro: make `TokenStream::from_streams` pre-allocate its vector.)
 - #58096 (Transition linkchecker to 2018 edition)
 - #58097 (Transition remote test to Rust 2018)
 - #58106 (libfmt_macros => 2018)
 - #58107 (libgraphviz => 2018)
 - #58108 (Add NVPTX target to a build manifest)
 - #58109 (librustc_privacy => 2018)
 - #58112 (libpanic_abort => 2018)
 - #58113 (Transition build-manifest to 2018 edition)
 - #58114 (Transition tidy and unstable-book-gen to 2018 edition)
 - #58116 (Include the span of attributes of the lhs to the span of the assignment expression)
 - #58117 (Transition rustdoc-theme to 2018 edition)
 - #58128 (libunwind => 2018)
 - #58138 (Fix #58101)
 - #58139 (hir: add more HirId methods)
 - #58141 (Remove weasel word in docs for iter's take_while())
 - #58142 (Remove stray FIXME)
 - #58145 (Add #[must_use] to core::task::Poll)
 - #58162 (Add more debugging code to track down appveyor 259 exit code)
 - #58169 (Update contributor name in .mailmap)
 - #58172 (update split docs)
 - #58182 (SGX target: handle empty user buffers correctly)
 - #58186 (Add Rustlings to the doc index)

Failed merges:

r? @ghost

1 files changed, 8 insertions, 0 deletions

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 514b2952c50..1c02a80df46 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -3455,6 +3455,14 @@ impl<'a> Parser<'a> {
                 }),
             }?;
 
+            // Make sure that the span of the parent node is larger than the span of lhs and rhs,
+            // including the attributes.
+            let lhs_span = lhs
+                .attrs
+                .iter()
+                .filter(|a| a.style == AttrStyle::Outer)
+                .next()
+                .map_or(lhs_span, |a| a.span);
             let span = lhs_span.to(rhs.span);
             lhs = match op {
                 AssocOp::Add | AssocOp::Subtract | AssocOp::Multiply | AssocOp::Divide |