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Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala index 6eb05c4402..61f3721da1 100644 --- a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala +++ b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala @@ -160,7 +160,14 @@ abstract class GenASM extends SubComponent with BytecodeWriters { } // For predictably ordered error messages. - var sortedClasses = classes.values.toList sortBy ("" + _.symbol.fullName) + var sortedClasses = classes.values.toList sortBy (_.symbol.fullName) + + // Warn when classes will overwrite one another on case-insensitive systems. + for ((_, v1 :: v2 :: _) <- sortedClasses groupBy (_.symbol.javaClassName.toString.toLowerCase)) { + v1.cunit.warning(v1.symbol.pos, + s"Class ${v1.symbol.javaClassName} differs only in case from ${v2.symbol.javaClassName}. " + + "Such classes will overwrite one another on case-insensitive filesystems.") + } debuglog("Created new bytecode generator for " + classes.size + " classes.") val bytecodeWriter = initBytecodeWriter(sortedClasses filter isJavaEntryPoint) |