[ruby/prism] "Fix" transpose issue in parser compiler

https://github.com/ruby/prism/commit/593d637178

lib/prism/translation/parser/compiler.rb

@@ -1535,12 +1535,22 @@ module Prism
           elsif node.opening == "?"
             builder.character([node.unescaped, srange(node.location)])
           else
-            parts = if node.content.lines.count <= 1 || node.unescaped.lines.count <= 1
+            content_lines = node.content.lines
+            unescaped_lines = node.unescaped.lines
+
+            parts =
+              if content_lines.length <= 1 || unescaped_lines.length <= 1
+                [builder.string_internal([node.unescaped, srange(node.content_loc)])]
+              elsif content_lines.length != unescaped_lines.length
+                # This occurs when we have line continuations in the string. We
+                # need to come back and fix this, but for now this stops the
+                # code from breaking when we encounter it because of trying to
+                # transpose arrays of different lengths.
                 [builder.string_internal([node.unescaped, srange(node.content_loc)])]
               else
                 start_offset = node.content_loc.start_offset
 
-              [node.content.lines, node.unescaped.lines].transpose.map do |content_line, unescaped_line|
+                [content_lines, unescaped_lines].transpose.map do |content_line, unescaped_line|
                   end_offset = start_offset + content_line.length
                   offsets = srange_offsets(start_offset, end_offset)
                   start_offset = end_offset