[CSApply] Cache the type of a PackExpansionExpr in coerceToType.

hborla · hborla · commit 472bd1f74285 · 2022-12-15T17:00:33.000-05:00
diff --git a/lib/Sema/CSApply.cpp b/lib/Sema/CSApply.cpp
@@ -7132,7 +7132,7 @@ Expr *ExprRewriter::coerceToType(Expr *expr, Type toType,
 
     expansion->setPatternExpr(pattern);
     expansion->setType(expansionTy);
-    return expansion;
+    return cs.cacheType(expansion);
   }
 
   case TypeKind::BuiltinTuple:

Original file line number	Diff line number	Diff line change
`@@ -7132,7 +7132,7 @@ Expr ExprRewriter::coerceToType(Expr expr, Type toType,`
`7132`	`7132`
`7133`	`7133`	`expansion->setPatternExpr(pattern);`
`7134`	`7134`	`expansion->setType(expansionTy);`
`7135`		`- return expansion;`
	`7135`	`+ return cs.cacheType(expansion);`
`7136`	`7136`	`}`
`7137`	`7137`
`7138`	`7138`	`case TypeKind::BuiltinTuple:`