scala-js
diff --git a/‎linker/shared/src/main/scala/org/scalajs/linker/frontend/optimizer/IncOptimizer.scala
+5-2 b/‎linker/shared/src/main/scala/org/scalajs/linker/frontend/optimizer/IncOptimizer.scala
+5-2
@@ -804,10 +804,13 @@ final class IncOptimizer private[optimizer] (config: CommonPhaseConfig, collOps:
         None
       } else {
         val allFields = computeAllInstanceFieldDefs()
-        Some(new OptimizerCore.InlineableClassStructure(allFields))
+        Some(new OptimizerCore.InlineableClassStructure(className, allFields))
       }
 
-      tryNewInlineable != oldTryNewInlineable
+      (tryNewInlineable, oldTryNewInlineable) match {
+        case (Some(n), Some(o)) => !n.sameStructureAs(o)
+        case _                  => tryNewInlineable != oldTryNewInlineable
+      }
     }
 
     /** UPDATE PASS ONLY, used by `computeInlineableFieldBodies` and `updateTryNewInlineable`. */
Original file line number	Diff line number	Diff line change
`@@ -804,10 +804,13 @@ final class IncOptimizer private[optimizer] (config: CommonPhaseConfig, collOps:`
`804`	`804`	`None`
`805`	`805`	`} else {`
`806`	`806`	`val allFields = computeAllInstanceFieldDefs()`
`807`		`- Some(new OptimizerCore.InlineableClassStructure(allFields))`
	`807`	`+ Some(new OptimizerCore.InlineableClassStructure(className, allFields))`
`808`	`808`	`}`
`809`	`809`
`810`		`- tryNewInlineable != oldTryNewInlineable`
	`810`	`+ (tryNewInlineable, oldTryNewInlineable) match {`
	`811`	`+ case (Some(n), Some(o)) => !n.sameStructureAs(o)`
	`812`	`+ case _ => tryNewInlineable != oldTryNewInlineable`
	`813`	`+ }`
`811`	`814`	`}`
`812`	`815`
`813`	`816`	/** UPDATE PASS ONLY, used by `computeInlineableFieldBodies` and `updateTryNewInlineable`. */