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authorPaul Phillips <paulp@improving.org>2013-05-07 13:59:05 -0700
committerPaul Phillips <paulp@improving.org>2013-05-07 13:59:05 -0700
commit9a2f6c75cce22565b994c0b8bd2af8acc6e6f178 (patch)
treeacef270db60b2fe2c8538bfcdbbcc8379b89eb30 /src/compiler/scala/tools/nsc/typechecker/Implicits.scala
parent65a068f42d6b097db5093e0441ab6fec4e8e331c (diff)
parenta86c7a15d1a58e828b61fc12a8b3d0ef0b2f8061 (diff)
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Merge pull request #2493 from paulp/pr/null-hardening
Hardening against nulls for deserialization.
Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/Implicits.scala')
-rw-r--r--src/compiler/scala/tools/nsc/typechecker/Implicits.scala5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Implicits.scala b/src/compiler/scala/tools/nsc/typechecker/Implicits.scala
index 2ad4ec43f7..f27c15180e 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Implicits.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Implicits.scala
@@ -218,7 +218,10 @@ trait Implicits {
case _ => false
}
override def hashCode = name.## + pre.## + sym.##
- override def toString = name + ": " + tpe
+ override def toString = (
+ if (tpeCache eq null) name + ": ?"
+ else name + ": " + tpe
+ )
}
/** A sentinel indicating no implicit was found */