Fix trailing space in error message

liufengyun · liufengyun · commit 845768000c9a · 2019-10-28T10:02:26.000+01:00
diff --git a/compiler/src/dotty/tools/dotc/reporting/MessageRendering.scala b/compiler/src/dotty/tools/dotc/reporting/MessageRendering.scala
@@ -104,7 +104,7 @@ trait MessageRendering {
     }
 
     msg.linesIterator
-      .map { line => " " * (offset - 1) + "|" + padding + line}
+      .map { line => " " * (offset - 1) + "|" + (if line.isEmpty then "" else padding + line) }
       .mkString(EOL)
   }
 
diff --git a/tests/neg-macros/i6976.check b/tests/neg-macros/i6976.check
@@ -5,5 +5,5 @@
   |    Exception occurred while executing macro expansion.
   |    scala.MatchError: Inlined(EmptyTree,List(),Literal(Constant(2))) (of class dotty.tools.dotc.ast.Trees$Inlined)
   |    	at playground.macros$.mcrImpl(Macro_1.scala:12)
-  |    
+  |
   | This location is in code that was inlined at Test_2.scala:5

Original file line number	Diff line number	Diff line change
`@@ -104,7 +104,7 @@ trait MessageRendering {`
`104`	`104`	`}`
`105`	`105`
`106`	`106`	`msg.linesIterator`
`107`		`- .map { line => " " * (offset - 1) + "\|" + padding + line}`
	`107`	`+ .map { line => " " * (offset - 1) + "\|" + (if line.isEmpty then "" else padding + line) }`
`108`	`108`	`.mkString(EOL)`
`109`	`109`	`}`
`110`	`110`