creduce: Fix building with Clang 20 and enable aarch64 builds (#24030)

mingw-w64-creduce/002-llvm20.patch

@@ -0,0 +1,24 @@
+diff -bur creduce-o/clang_delta/Transformation.cpp creduce/clang_delta/Transformation.cpp
+--- creduce-o/clang_delta/Transformation.cpp	2025-04-18 00:20:17.540740900 -0600
++++ creduce/clang_delta/Transformation.cpp	2025-04-18 00:20:29.202521300 -0600
+@@ -94,6 +94,8 @@
+ 
+ void Transformation::outputTransformedSource(llvm::raw_ostream &OutStream)
+ {
++  using namespace llvm;
++
+   FileID MainFileID = SrcManager->getMainFileID();
+   const RewriteBuffer *RWBuf = TheRewriter.getRewriteBufferFor(MainFileID);
+ 
+diff -bur creduce-o/clang_delta/TransformationManager.cpp creduce/clang_delta/TransformationManager.cpp
+--- creduce-o/clang_delta/TransformationManager.cpp	2025-04-18 00:20:17.516237400 -0600
++++ creduce/clang_delta/TransformationManager.cpp	2025-04-18 00:31:08.114333100 -0600
+@@ -91,7 +91,7 @@
+   ClangInstance = new CompilerInstance();
+   assert(ClangInstance);
+   
+-  ClangInstance->createDiagnostics();
++  ClangInstance->createDiagnostics(ClangInstance->getVirtualFileSystem());
+ 
+   TargetOptions &TargetOpts = ClangInstance->getTargetOpts();
+   PreprocessorOptions &PPOpts = ClangInstance->getPreprocessorOpts();

mingw-w64-creduce/PKGBUILD

@@ -5,11 +5,11 @@ pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 replaces=("${MINGW_PACKAGE_PREFIX}-${_realname}-git")
 pkgver=2.10.0.r110.g31e855e
-pkgrel=1
+pkgrel=2
 _commit=31e855e290970cba0286e5032971509c0e7c0a80
 pkgdesc="A C program reducer (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw64' 'ucrt64' 'clang64')
+mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
 url='https://github.com/csmith-project/creduce'
 license=('spdx:NCSA')
 depends=('perl-Benchmark-Timer'
@@ -25,20 +25,34 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-clang"
              "git")
 source=(${_realname}::git+https://github.com/csmith-project/creduce#commit=${_commit}
-        "0001-llvm19.patch")
+        "001-llvm19.patch"
+        "002-llvm20.patch")
 sha256sums=('94887099adcc2e98dc829fb2c00b587aa8693346951bfca7674fd9086925b9e8'
-            '67fd2736c16699d4e0e35c13c247c4c59ee9c0ce7c3f75403956aec0ab0f04eb')
+            '67fd2736c16699d4e0e35c13c247c4c59ee9c0ce7c3f75403956aec0ab0f04eb'
+            '3ad5859c447ccbabee7da5818354ab91f11aeabc71948ff906eabbae508fe246')
 
 pkgver() {
   cd "${srcdir}/${_realname}"
   git describe --long ${_commit} | sed 's/creduce-//g;s/\([^-]*-g\)/r\1/;s/-/./g;s/^v//g'
 }
 
+apply_patch_with_msg() {
+  for _patch in "$@"
+  do
+    msg2 "Applying ${_patch}"
+    patch -Nbp1 -i "${srcdir}/${_patch}"
+  done
+}
+
 prepare() {
   cd "${srcdir}/${_realname}"
 
   # https://github.com/csmith-project/creduce/issues/276
-  patch -Np1 -i "${srcdir}/0001-llvm19.patch"
+  apply_patch_with_msg \
+    001-llvm19.patch
+
+  apply_patch_with_msg \
+    002-llvm20.patch
 }
 
 build() {