[clang] [HLSL] Add implicit resource element type concepts to AST (PR #112600)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `fuchsia-x86_64-linux` running on `fuchsia-debian-64-us-central1-a-1` while building `clang` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/11/builds/8210

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/fuchsia-linux.py ...' (failure)
...
[1345/1347] Linking CXX executable tools/clang/unittests/Tooling/ToolingTests
[1346/1347] Running the Clang regression tests
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using clang: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/clang
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/subst.py:126: note: Did not find clang-repl in /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin:/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/wasm-ld
-- Testing: 21511 tests, 60 workers --
Testing: 
FAIL: Clang :: AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl (152 of 21511)
******************** TEST 'Clang :: AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/clang -cc1 -internal-isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/lib/clang/20/include -nostdsysteminc -triple dxil-pc-shadermodel6.0-library -x hlsl -ast-dump -DEMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl | /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/FileCheck -check-prefix=EMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/FileCheck -check-prefix=EMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/clang -cc1 -internal-isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/lib/clang/20/include -nostdsysteminc -triple dxil-pc-shadermodel6.0-library -x hlsl -ast-dump -DEMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl:15:16: error: EMPTY-NEXT: expected string not found in input
// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
               ^
<stdin>:47:112: note: scanning from here
| `-ClassTemplateDecl 0x55d7f80dc0a0 <<invalid sloc>> <invalid sloc> implicit RasterizerOrderedStructuredBuffer
                                                                                                               ^
<stdin>:48:5: note: possible intended match here
| |-TemplateTypeParmDecl 0x55d7f80dc000 <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
    ^

Input file: <stdin>
Check file: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           .
           .
           .
          42: | | `-FinalAttr 0x55d7f80db7c8 <<invalid sloc>> Implicit final 
          43: | |-ClassTemplateDecl 0x55d7f80dbcb0 <<invalid sloc>> <invalid sloc> implicit ConsumeStructuredBuffer 
          44: | | |-TemplateTypeParmDecl 0x55d7f80dbc10 <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type 
          45: | | `-CXXRecordDecl 0x55d7f80dbb10 <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class ConsumeStructuredBuffer 
          46: | | `-FinalAttr 0x55d7f80dbbb8 <<invalid sloc>> Implicit final 
          47: | `-ClassTemplateDecl 0x55d7f80dc0a0 <<invalid sloc>> <invalid sloc> implicit RasterizerOrderedStructuredBuffer 
next:15'0                                                                                                                    X error: no match found
          48: | |-TemplateTypeParmDecl 0x55d7f80dc000 <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type 
next:15'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
next:15'1         ?                                                                                                          possible intended match
Step 7 (check) failure: check (failure)
...
[1345/1347] Linking CXX executable tools/clang/unittests/Tooling/ToolingTests
[1346/1347] Running the Clang regression tests
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using clang: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/clang
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/subst.py:126: note: Did not find clang-repl in /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin:/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/wasm-ld
-- Testing: 21511 tests, 60 workers --
Testing: 
FAIL: Clang :: AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl (152 of 21511)
******************** TEST 'Clang :: AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/clang -cc1 -internal-isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/lib/clang/20/include -nostdsysteminc -triple dxil-pc-shadermodel6.0-library -x hlsl -ast-dump -DEMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl | /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/FileCheck -check-prefix=EMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/FileCheck -check-prefix=EMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/bin/clang -cc1 -internal-isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-zmj85sc8/lib/clang/20/include -nostdsysteminc -triple dxil-pc-shadermodel6.0-library -x hlsl -ast-dump -DEMPTY /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl:15:16: error: EMPTY-NEXT: expected string not found in input
// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
               ^
<stdin>:47:112: note: scanning from here
| `-ClassTemplateDecl 0x55d7f80dc0a0 <<invalid sloc>> <invalid sloc> implicit RasterizerOrderedStructuredBuffer
                                                                                                               ^
<stdin>:48:5: note: possible intended match here
| |-TemplateTypeParmDecl 0x55d7f80dc000 <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
    ^

Input file: <stdin>
Check file: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           .
           .
           .
          42: | | `-FinalAttr 0x55d7f80db7c8 <<invalid sloc>> Implicit final 
          43: | |-ClassTemplateDecl 0x55d7f80dbcb0 <<invalid sloc>> <invalid sloc> implicit ConsumeStructuredBuffer 
          44: | | |-TemplateTypeParmDecl 0x55d7f80dbc10 <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type 
          45: | | `-CXXRecordDecl 0x55d7f80dbb10 <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class ConsumeStructuredBuffer 
          46: | | `-FinalAttr 0x55d7f80dbbb8 <<invalid sloc>> Implicit final 
          47: | `-ClassTemplateDecl 0x55d7f80dc0a0 <<invalid sloc>> <invalid sloc> implicit RasterizerOrderedStructuredBuffer 
next:15'0                                                                                                                    X error: no match found
          48: | |-TemplateTypeParmDecl 0x55d7f80dc000 <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type 
next:15'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
next:15'1         ?                                                                                                          possible intended match

```

</details>

https://github.com/llvm/llvm-project/pull/112600