================
@@ -0,0 +1,5 @@
+// RUN: not %clang_cc1 -E %s 2>&1 | grep 'error: invalid newline character in
raw string delimiter; use PREFIX( )PREFIX to delimit raw string'
----------------
jroelofs wrote:
Please use `-fsyntax-only -verify` instead of `grep` for checking diagnostics.
There are some examples in sibling files, but the gist of it is that you'll
need a `// expected-error@+1{{invalid newline character...}}` on the line
before the declaration.
https://github.com/llvm/llvm-project/pull/81670
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