Merge pull request #36706 from xedin/rdar46713933-literals

[TypeChecker] NFC: Add an additional test-case for rdar://46713933 wi…

Author: xedin

validation-test/Sema/type_checker_perf/slow/rdar46713933_literal_arg.swift

@@ -0,0 +1,12 @@
+// RUN: %target-typecheck-verify-swift -solver-expression-time-threshold=1
+// REQUIRES: tools-release,no_asan
+
+func wrap<T>(_ key: String, _ value: T) -> T { return value }
+func wrap<T: ExpressibleByIntegerLiteral>(_ key: String, _ value: T) -> T { return value }
+func wrap<T: ExpressibleByFloatLiteral>(_ key: String, _ value: T) -> T { return value }
+func wrap<T: ExpressibleByStringLiteral>(_ key: String, _ value: T) -> T { return value }
+
+func wrapped() -> Int {
+  return wrap("1", 1) + wrap("1", 1) + wrap("1", 1) + wrap("1", 1)
+  // expected-error@-1 {{the compiler is unable to type-check this expression in reasonable time}}
+}