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Initialize scala.util.control.NonFatal in Builder #4195

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Jun 20, 2024
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Initialize scala.util.control.NonFatal in Builder #4195

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8 changes: 6 additions & 2 deletions core/src/main/scala/chisel3/internal/Builder.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -1048,8 +1048,12 @@ private[chisel3] object Builder extends LazyLogging {
dynamicContext: DynamicContext
): (Circuit, T) = {
dynamicContextVar.withValue(Some(dynamicContext)) {
ViewParent: Unit // Must initialize the singleton in a Builder context or weird things can happen
// in tiny designs/testcases that never access anything in chisel3.internal
// Must initialize the singleton in a Builder context or weird things can happen
// in tiny designs/testcases that never access anything in chisel3.internal.
ViewParent: Unit
// Must initialize the singleton or OutOfMemoryErrors and StackOverflowErrors will instead report as
// "java.lang.NoClassDefFoundError: Could not initialize class scala.util.control.NonFatal$".
scala.util.control.NonFatal: Unit
logger.info("Elaborating design...")
val mod =
try {
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