[upstream_utils] Add cbegin()/cend()/crbegin()/crend() to SmallVector (#8918)

std::vector has these.

upstream_utils/llvm_patches/0001-Remove-StringRef-ArrayRef-and-Optional.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sat, 7 May 2022 22:09:18 -0400
-Subject: [PATCH 01/33] Remove StringRef, ArrayRef, and Optional
+Subject: [PATCH 01/34] Remove StringRef, ArrayRef, and Optional
 
 ---
  llvm/include/llvm/ADT/PointerUnion.h          |   1 -

upstream_utils/llvm_patches/0002-Wrap-std-min-max-calls-in-parens-for-Windows-warning.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sat, 7 May 2022 22:12:41 -0400
-Subject: [PATCH 02/33] Wrap std::min/max calls in parens, for Windows warnings
+Subject: [PATCH 02/34] Wrap std::min/max calls in parens, for Windows warnings
 
 ---
  llvm/include/llvm/ADT/DenseMap.h       | 14 +++++++-------

upstream_utils/llvm_patches/0003-FunctionExtras-change-unique_function-storage-size.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sat, 7 May 2022 22:13:55 -0400
-Subject: [PATCH 03/33] FunctionExtras: change unique_function storage size
+Subject: [PATCH 03/34] FunctionExtras: change unique_function storage size
 
 ---
  llvm/include/llvm/ADT/FunctionExtras.h | 4 ++--

upstream_utils/llvm_patches/0004-Threading-updates.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sat, 7 May 2022 22:17:19 -0400
-Subject: [PATCH 04/33] Threading updates
+Subject: [PATCH 04/34] Threading updates
 
 - Remove guards for threads and exception
 - Replace std::lock_guard with std::scoped_lock

upstream_utils/llvm_patches/0005-ifdef-guard-safety.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sat, 7 May 2022 22:28:13 -0400
-Subject: [PATCH 05/33] \#ifdef guard safety
+Subject: [PATCH 05/34] \#ifdef guard safety
 
 Prevents redefinition if someone is pulling in real LLVM, since the macros are in global namespace
 ---

upstream_utils/llvm_patches/0006-Explicitly-use-std.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sat, 7 May 2022 22:37:34 -0400
-Subject: [PATCH 06/33] Explicitly use std::
+Subject: [PATCH 06/34] Explicitly use std::
 
 ---
  llvm/include/llvm/ADT/DenseMap.h       | 11 ++++++-----

upstream_utils/llvm_patches/0007-Remove-format_provider.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sat, 7 May 2022 22:53:50 -0400
-Subject: [PATCH 07/33] Remove format_provider
+Subject: [PATCH 07/34] Remove format_provider
 
 ---
  llvm/include/llvm/Support/Chrono.h      | 126 ------------------------

upstream_utils/llvm_patches/0008-Add-compiler-warning-pragmas.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sun, 8 May 2022 13:34:07 -0400
-Subject: [PATCH 08/33] Add compiler warning pragmas
+Subject: [PATCH 08/34] Add compiler warning pragmas
 
 ---
  llvm/include/llvm/ADT/FunctionExtras.h    | 11 +++++++++++

upstream_utils/llvm_patches/0009-Remove-unused-functions.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sun, 8 May 2022 13:43:50 -0400
-Subject: [PATCH 09/33] Remove unused functions
+Subject: [PATCH 09/34] Remove unused functions
 
 ---
  llvm/include/llvm/ADT/SmallString.h      |  77 ------

upstream_utils/llvm_patches/0010-SmallVector-detemplatize-SmallVectorBase.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Thu, 5 May 2022 23:18:34 -0400
-Subject: [PATCH 10/33] SmallVector: detemplatize SmallVectorBase
+Subject: [PATCH 10/34] SmallVector: detemplatize SmallVectorBase
 
 ---
  llvm/include/llvm/ADT/SmallVector.h | 35 ++++++++++-------------------

upstream_utils/llvm_patches/0011-raw_ostream-add-vector-support.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sun, 8 May 2022 13:48:59 -0400
-Subject: [PATCH 11/33] raw_ostream: add vector support
+Subject: [PATCH 11/34] raw_ostream: add vector support
 
 ---
  llvm/include/llvm/Support/raw_ostream.h | 115 ++++++++++++++++++++++++

upstream_utils/llvm_patches/0012-MathExtras-delete-numbers.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Thu, 5 May 2022 18:09:45 -0400
-Subject: [PATCH 12/33] MathExtras: delete numbers
+Subject: [PATCH 12/34] MathExtras: delete numbers
 
 ---
  llvm/include/llvm/Support/MathExtras.h | 31 --------------------------

upstream_utils/llvm_patches/0013-MathExtras-add-Lerp-and-sgn.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Tue, 3 May 2022 22:50:24 -0400
-Subject: [PATCH 13/33] MathExtras: add Lerp() and sgn()
+Subject: [PATCH 13/34] MathExtras: add Lerp() and sgn()
 
 ---
  llvm/include/llvm/Support/MathExtras.h | 21 +++++++++++++++++++++

upstream_utils/llvm_patches/0014-Fixup-includes.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sun, 8 May 2022 16:38:11 -0400
-Subject: [PATCH 14/33] Fixup includes
+Subject: [PATCH 14/34] Fixup includes
 
 ---
  llvm/include/llvm/Support/PointerLikeTypeTraits.h | 1 +

upstream_utils/llvm_patches/0015-Windows-support.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Tue, 3 May 2022 20:22:38 -0400
-Subject: [PATCH 15/33] Windows support
+Subject: [PATCH 15/34] Windows support
 
 ---
  .../llvm/Support/Windows/WindowsSupport.h     | 56 +++++------

upstream_utils/llvm_patches/0016-ErrorHandling-remove-call-to-RtlGetLastNtStatus.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Tue, 17 Sep 2024 21:19:52 -0700
-Subject: [PATCH 16/33] ErrorHandling: remove call to RtlGetLastNtStatus()
+Subject: [PATCH 16/34] ErrorHandling: remove call to RtlGetLastNtStatus()
 
 ---
  llvm/lib/Support/ErrorHandling.cpp | 23 -----------------------

upstream_utils/llvm_patches/0017-ErrorHandling-prefer-fmtlib.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sun, 8 May 2022 16:46:20 -0400
-Subject: [PATCH 17/33] ErrorHandling: prefer fmtlib
+Subject: [PATCH 17/34] ErrorHandling: prefer fmtlib
 
 ---
  llvm/lib/Support/ErrorHandling.cpp | 19 ++++++-------------

upstream_utils/llvm_patches/0018-raw_ostream-prefer-wpi-s-fs.h.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sun, 8 May 2022 16:49:36 -0400
-Subject: [PATCH 18/33] raw_ostream: prefer wpi's fs.h
+Subject: [PATCH 18/34] raw_ostream: prefer wpi's fs.h
 
 ---
  llvm/include/llvm/Support/raw_ostream.h | 7 ++-----

upstream_utils/llvm_patches/0019-Remove-unused-functions.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Sun, 8 May 2022 19:16:51 -0400
-Subject: [PATCH 19/33] Remove unused functions
+Subject: [PATCH 19/34] Remove unused functions
 
 ---
  llvm/include/llvm/Support/VersionTuple.h |  1 -

upstream_utils/llvm_patches/0020-ConvertUTF-use-SmallVector-for-UTF-conversion.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Mon, 9 May 2022 00:04:30 -0400
-Subject: [PATCH 20/33] ConvertUTF: use SmallVector for UTF conversion
+Subject: [PATCH 20/34] ConvertUTF: use SmallVector for UTF conversion
 
 ---
  llvm/include/llvm/Support/ConvertUTF.h    |  7 ++++---

upstream_utils/llvm_patches/0021-raw_ostream-use-static-pointers-in-raw_ostream.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Thu, 19 May 2022 00:58:36 -0400
-Subject: [PATCH 21/33] raw_ostream: use static pointers in raw_ostream
+Subject: [PATCH 21/34] raw_ostream: use static pointers in raw_ostream
 
 See #1401
 ---

upstream_utils/llvm_patches/0022-Endian-constexpr-endian-byte-swap.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: PJ Reiniger <pj.reiniger@gmail.com>
 Date: Fri, 1 Mar 2024 11:56:17 -0800
-Subject: [PATCH 22/33] Endian: constexpr endian byte swap
+Subject: [PATCH 22/34] Endian: constexpr endian byte swap
 
 ---
  llvm/include/llvm/Support/Endian.h | 4 +++-

upstream_utils/llvm_patches/0023-PointerUnion-copy-type-traits-from-STLExtras.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Wed, 10 Aug 2022 17:07:52 -0700
-Subject: [PATCH 23/33] PointerUnion: copy type traits from STLExtras
+Subject: [PATCH 23/34] PointerUnion: copy type traits from STLExtras
 
 ---
  llvm/include/llvm/ADT/PointerUnion.h | 46 ++++++++++++++++++++++++++++

upstream_utils/llvm_patches/0024-DenseMap-unused-variable-in-release-mode.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Leander Schulten <Leander.Schulten@rwth-aachen.de>
 Date: Mon, 10 Jul 2023 00:53:43 +0200
-Subject: [PATCH 24/33] DenseMap: unused variable in release mode
+Subject: [PATCH 24/34] DenseMap: unused variable in release mode
 
 ---
  llvm/include/llvm/ADT/DenseMap.h | 2 +-

upstream_utils/llvm_patches/0025-Use-C-20-bit-header.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Tue, 11 Jul 2023 22:56:09 -0700
-Subject: [PATCH 25/33] Use C++20 <bit> header
+Subject: [PATCH 25/34] Use C++20 <bit> header
 
 ---
  llvm/include/llvm/ADT/DenseMap.h       |   1 +

upstream_utils/llvm_patches/0026-DenseMap-remove-printer-test.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Sun, 30 Jul 2023 14:17:37 -0700
-Subject: [PATCH 26/33] DenseMap: remove printer test
+Subject: [PATCH 26/34] DenseMap: remove printer test
 
 LLVM modifies internal GTest headers to support it, which we can't do.
 ---

upstream_utils/llvm_patches/0027-raw_ostream-Add-SetNumBytesInBuffer.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Peter Johnson <johnson.peter@gmail.com>
 Date: Sun, 29 Oct 2023 23:00:08 -0700
-Subject: [PATCH 27/33] raw_ostream: Add SetNumBytesInBuffer
+Subject: [PATCH 27/34] raw_ostream: Add SetNumBytesInBuffer
 
 ---
  llvm/include/llvm/Support/raw_ostream.h | 5 +++++

upstream_utils/llvm_patches/0028-raw_ostream-Replace-errnoAsErrorCode.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Tue, 17 Sep 2024 15:30:31 -0700
-Subject: [PATCH 28/33] raw_ostream: Replace errnoAsErrorCode()
+Subject: [PATCH 28/34] raw_ostream: Replace errnoAsErrorCode()
 
 ---
  llvm/lib/Support/raw_ostream.cpp | 4 ++--

upstream_utils/llvm_patches/0029-type_traits.h-Add-is_constexpr.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Peter Johnson <johnson.peter@gmail.com>
 Date: Sat, 2 Dec 2023 15:21:32 -0800
-Subject: [PATCH 29/33] type_traits.h: Add is_constexpr()
+Subject: [PATCH 29/34] type_traits.h: Add is_constexpr()
 
 ---
  llvm/include/llvm/Support/type_traits.h | 5 +++++

upstream_utils/llvm_patches/0030-raw_ostream-remove-auto-conversion.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Sun, 17 Mar 2024 14:51:11 -0700
-Subject: [PATCH 30/33] raw_ostream: remove auto-conversion
+Subject: [PATCH 30/34] raw_ostream: remove auto-conversion
 
 ---
  llvm/lib/Support/raw_ostream.cpp | 13 +------------

upstream_utils/llvm_patches/0031-SmallVector-add-erase_if.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Tue, 18 Jun 2024 09:07:33 -0700
-Subject: [PATCH 31/33] SmallVector: add erase_if()
+Subject: [PATCH 31/34] SmallVector: add erase_if()
 
 ---
  llvm/include/llvm/ADT/SmallVector.h | 8 ++++++++

upstream_utils/llvm_patches/0032-MathExtras-fix-minIntN-and-maxIntN-assertions.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Tyler Veness <calcmogul@gmail.com>
 Date: Mon, 23 Dec 2024 22:56:29 -0800
-Subject: [PATCH 32/33] MathExtras: fix minIntN() and maxIntN() assertions
+Subject: [PATCH 32/34] MathExtras: fix minIntN() and maxIntN() assertions
 
 ---
  llvm/include/llvm/Support/MathExtras.h | 4 ++--

upstream_utils/llvm_patches/0033-SmallSet-add-SmallSetIterator-postincrement-operator.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: crueter <crueter@eden-emu.dev>
 Date: Wed, 6 May 2026 12:42:53 -0400
-Subject: [PATCH 33/33] SmallSet: add SmallSetIterator postincrement operator
+Subject: [PATCH 33/34] SmallSet: add SmallSetIterator postincrement operator
 
 Required for Xcode 26.4
 ---

upstream_utils/llvm_patches/0034-SmallVector-add-cbegin-cend-crbegin-crend.patch

@@ -0,0 +1,32 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Tyler Veness <calcmogul@gmail.com>
+Date: Tue, 26 May 2026 16:55:28 -0700
+Subject: [PATCH 34/34] SmallVector: add cbegin()/cend()/crbegin()/crend()
+
+---
+ llvm/include/llvm/ADT/SmallVector.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/llvm/include/llvm/ADT/SmallVector.h b/llvm/include/llvm/ADT/SmallVector.h
+index e51771928717625a218981ccd5b9068b63329b02..38d4a23bdd2d46d8b12ccaf27ae44dc6139a54a1 100644
+--- a/llvm/include/llvm/ADT/SmallVector.h
++++ b/llvm/include/llvm/ADT/SmallVector.h
+@@ -275,14 +275,18 @@ public:
+   // forward iterator creation methods.
+   iterator begin() { return (iterator)this->BeginX; }
+   const_iterator begin() const { return (const_iterator)this->BeginX; }
++  const_iterator cbegin() const { return (const_iterator)this->BeginX; }
+   iterator end() { return begin() + size(); }
+   const_iterator end() const { return begin() + size(); }
++  const_iterator cend() const { return begin() + size(); }
+ 
+   // reverse iterator creation methods.
+   reverse_iterator rbegin()            { return reverse_iterator(end()); }
+   const_reverse_iterator rbegin() const{ return const_reverse_iterator(end()); }
++  const_reverse_iterator crbegin() const{ return const_reverse_iterator(end()); }
+   reverse_iterator rend()              { return reverse_iterator(begin()); }
+   const_reverse_iterator rend() const { return const_reverse_iterator(begin());}
++  const_reverse_iterator crend() const { return const_reverse_iterator(begin());}
+ 
+   size_type size_in_bytes() const { return size() * sizeof(T); }
+   size_type max_size() const {

wpiutil/src/main/native/thirdparty/llvm/include/wpi/util/SmallVector.hpp

@@ -275,14 +275,18 @@ public:
   // forward iterator creation methods.
   iterator begin() { return (iterator)this->BeginX; }
   const_iterator begin() const { return (const_iterator)this->BeginX; }
+  const_iterator cbegin() const { return (const_iterator)this->BeginX; }
   iterator end() { return begin() + size(); }
   const_iterator end() const { return begin() + size(); }
+  const_iterator cend() const { return begin() + size(); }
 
   // reverse iterator creation methods.
   reverse_iterator rbegin()            { return reverse_iterator(end()); }
   const_reverse_iterator rbegin() const{ return const_reverse_iterator(end()); }
+  const_reverse_iterator crbegin() const{ return const_reverse_iterator(end()); }
   reverse_iterator rend()              { return reverse_iterator(begin()); }
   const_reverse_iterator rend() const { return const_reverse_iterator(begin());}
+  const_reverse_iterator crend() const { return const_reverse_iterator(begin());}
 
   size_type size_in_bytes() const { return size() * sizeof(T); }
   size_type max_size() const {