[clang] bad error message on incorrect string literal #18079 (PR #81670)

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@@ -0,0 +1,5 @@
+// RUN: %clang_cc1 -E -fsyntax-only -verify %s
+
+// expected-error at +2{{invalid character ')' character in raw string delimiter; use PREFIX( )PREFIX to delimit raw string}}
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akshaykumars614 wrote:

I did not understand what you mean by old spelling...

https://github.com/llvm/llvm-project/pull/81670