[gcc r14-4595] RISCV: Bugfix for incorrect documentation heading nesting

[gcc r14-4595] RISCV: Bugfix for incorrect documentation heading nesting

[Jeff Law]

https://gcc.gnu.org/g:e99ad401f84ca6cd2717a58a116e44274d55da70

commit r14-4595-ge99ad401f84ca6cd2717a58a116e44274d55da70
Author: Mary Bennett <mary.bennett@embecosm.com>
Date:   Thu Oct 12 09:17:24 2023 -0600

    RISCV: Bugfix for incorrect documentation heading nesting
    
            PR middle-end/111777
    
    gcc/ChangeLog:
            * doc/extend.texi: Change subsubsection to subsection for
            CORE-V built-ins.

Diff:
---
 gcc/doc/extend.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index ffe8532ad91..e8180945ab4 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -21719,7 +21719,7 @@ vector intrinsic specification, which is available at the following link:
 All of these functions are declared in the include file @file{riscv_vector.h}.
 
 @node CORE-V Built-in Functions
-@subsubsection CORE-V Built-in Functions
+@subsection CORE-V Built-in Functions
 
 These built-in functions are available for the CORE-V MAC machine
 architecture. For more information on CORE-V built-ins, please see