[clang] Fix Clang language extension documentation markup for __builtin_arm_trap.

[tahonermann]

No description provided.

[llvmbot]

@llvm/pr-subscribers-clang

Author: Tom Honermann (tahonermann)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/85310.diff

1 Files Affected:

• (modified) clang/docs/LanguageExtensions.rst (+1-1)

diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
index 9347703e96e21a..225736009d4869 100644
--- a/clang/docs/LanguageExtensions.rst
+++ b/clang/docs/LanguageExtensions.rst
@@ -3444,7 +3444,7 @@ Query for this feature with ``__has_builtin(__builtin_debugtrap)``.
 Query for this feature with ``__has_builtin(__builtin_trap)``.
 
 ``__builtin_arm_trap``
-------------------
+----------------------
 
 ``__builtin_arm_trap`` is an AArch64 extension to ``__builtin_trap`` which also accepts a compile-time constant value, encoded directly into the trap instruction for later inspection.
 

[tahonermann]

@TNorthover, doc builds are failing because of this.

Warning, treated as error:
/home/runner/work/llvm-project/llvm-project/clang-build/tools/clang/docs/LanguageExtensions.rst:3447:Title underline too short.

``__builtin_arm_trap``
------------------

[sam-mccall]

Thank you, and sorry for piling on extra errors...