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-rw-r--r--src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala5
-rw-r--r--src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala5
2 files changed, 7 insertions, 3 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala
index f9eeb41e6d..6d7948f0a9 100644
--- a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala
+++ b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala
@@ -558,7 +558,7 @@ abstract class GenASM extends SubComponent with BytecodeWriters {
def innerClassSymbolFor(s: Symbol): Symbol =
if (s.isClass) s else if (s.isModule) s.moduleClass else NoSymbol
- /** Return the a name of this symbol that can be used on the Java platform. It removes spaces from names.
+ /** Return the name of this symbol that can be used on the Java platform. It removes spaces from names.
*
* Special handling:
* scala.Nothing erases to scala.runtime.Nothing$
@@ -607,7 +607,8 @@ abstract class GenASM extends SubComponent with BytecodeWriters {
case None =>
reverseJavaName.put(internalName, trackedSym)
case Some(oldsym) =>
- assert((oldsym == trackedSym) || (oldsym == RuntimeNothingClass) || (oldsym == RuntimeNullClass), // In contrast, neither NothingClass nor NullClass show up bytecode-level.
+ assert((oldsym == trackedSym) || (oldsym == RuntimeNothingClass) || (oldsym == RuntimeNullClass) ||
+ (oldsym.isModuleClass && (oldsym.sourceModule == trackedSym.sourceModule)), // In contrast, neither NothingClass nor NullClass show up bytecode-level.
"how can getCommonSuperclass() do its job if different class symbols get the same bytecode-level internal name: " + internalName)
}
}
diff --git a/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala b/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala
index 8fd8dfaf83..9caafe6912 100644
--- a/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala
+++ b/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala
@@ -94,7 +94,10 @@ abstract class ClassfileParser {
pushBusy(root) {
this.in = new AbstractFileReader(file)
this.clazz = if (root.isModule) root.companionClass else root
- this.staticModule = clazz.companionModule
+ // WARNING! do no use clazz.companionModule to find staticModule.
+ // In a situation where root can be defined, but its companionClass not,
+ // this would give incorrect results (see SI-5031 in separate compilation scenario)
+ this.staticModule = if (root.isModule) root else root.companionModule
this.isScala = false
parseHeader