Rollup merge of #56476 - GuillaumeGomez:invalid-line-number-match, r=QuietMisdreavus

Fix invalid line number match If a code line is longer than the width, it then gets to the next line making the line number not matching it anymore. r? @QuietMisdreavus

Author: pietroalbini

src/librustdoc/html/static/rustdoc.css

@@ -135,7 +135,6 @@ summary {
 
 code, pre {
 font-family: "Source Code Pro", monospace;
-white-space: pre-wrap;
 }
 .docblock code, .docblock-short code {
 border-radius: 3px;
@@ -303,6 +302,7 @@ nav.sub {
 
 :not(.source) .example-wrap > pre.rust {
 width: 100%;
+overflow-x: auto;
 }
 
 body:not(.source) .example-wrap > pre {