[llvm] [MC,ELF] Emit warning if a string constant contains newline char. (PR #98060)

[Dmitriy Chestnykh via llvm-commits]

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@@ -0,0 +1,50 @@
+// RUN: llvm-mc -filetype=obj -triple x86_64 %s 2>&1 -o /dev/null | FileCheck -DFILE=%s --strict-whitespace %s --implicit-check-not=valid1_string --implicit-check-not=valid2_string --implicit-check-not=valid3_string --check-prefix=CHECK-WARN
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chestnykh wrote:

like `--implicit-check-not=valid*_string` ?

https://github.com/llvm/llvm-project/pull/98060