Linux: fails to build with This attribute requires a heading to be specified

[sylvestre]

Started to fail recently with:

cd "/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/build-llvm/tools/clang/stage2-bins" && "/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/build-llvm/tools/clang/stage2-bins/bin/clang-tblgen" -gen-attr-docs -I /build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/clang/docs -I/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/clang/include -I/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/build-llvm/tools/clang/stage2-bins/tools/clang/include -I/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/build-llvm/tools/clang/stage2-bins/include -I/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/llvm/include -I/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/clang/docs/../include/clang/Basic /build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/clang/docs/../include/clang/Basic/Attr.td --write-if-changed -o tools/clang/docs/AttributeReference.rst -d tools/clang/docs/AttributeReference.rst.d
/build/llvm-toolchain-snapshot-16~++20220913071901+d67603a65488/clang/docs/../include/clang/Basic/Attr.td:2082:1: error: This attribute requires a heading to be specified
def NoStackProtector : InheritableAttr {
^

[sylvestre]

Log:
https://llvm-jenkins.debian.net/job/llvm-toolchain-bullseye-binaries/architecture=amd64,distribution=bullseye,label=amd64/324/console

[tbaederr]

Also mentioned in https://reviews.llvm.org/rGab56719acd98

[sylvestre]

ok, thanks. I reverted the patch

[hokein]

I was going to land a fix, but I was late. I think the fix is

+++ b/clang/include/clang/Basic/AttrDocs.td
@@ -4452,6 +4452,7 @@ spelled "XYZ" in the `OpenMP 5.1 Standard`_).
 
 def NoStackProtectorDocs : Documentation {
   let Category = DocCatFunction;
+  let Heading = "no_stack_protector";
   let Content = [{

[sylvestre]

sorry about that