llvm: backport fix for openblas build crash

Fixes #13128

mingw-w64-clang/PKGBUILD

@@ -26,7 +26,7 @@ _version=15.0.1
 _rc=""
 _tag=llvmorg-${_version}${_rc}
 pkgver=${_version}${_rc/-/}
-pkgrel=1
+pkgrel=2
 pkgdesc="C language family frontend for LLVM (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
@@ -70,7 +70,8 @@ source=("${_url}/llvm-${pkgver}.src.tar.xz"{,.sig}
         "0011-List-memrchr-as-unavailable-on-Windows.patch"
         "0101-link-pthread-with-mingw.patch"
         "0102-fix-emulated-tls.patch"
-        "0303-ignore-new-bfd-options.patch")
+        "0303-ignore-new-bfd-options.patch"
+        "https://github.com/llvm/llvm-project/commit/623c4a7a55f7.patch")
 # Some patch notes :)
 #0001-0099 -> llvm
 #0101-0199 -> clang
@@ -102,7 +103,8 @@ sha256sums=('0222beed0080fd07f1ee93c5bbeb2e05420b555b9cda725e3a0c299d8cea7cfa'
             'cc6aeca56693070de910670f546d2ec50a056d5356540dbd7b5aa74ced45980b'
             '715cb8862753854b2d9256e0b70003e2d1f57083d83eaeaf5a095fc72b8a4e26'
             '3a58bd5243fb082df64c90bd9a4f00c698317f20365d11bbe30fac5dfccd215e'
-            '778e0db0a5b0657ab05e2a81d83241347a4a41af2b0f9903422f651fa58e8d40')
+            '778e0db0a5b0657ab05e2a81d83241347a4a41af2b0f9903422f651fa58e8d40'
+            'e3e6ef4f189b27076cc6209477c1603bcd2301ea49043f33a69d320f744fbf5d')
 validpgpkeys=('B6C8F98282B944E3B0D5C2530FC3042E345AD05D'  # Hans Wennborg, Google.
               '474E22316ABF4785A88C6E8EA2C794A986419D8A'  # Tom Stellard
               'D574BD5D1D0E98895E3BF90044F2485E45D59042') # Tobias Hieta
@@ -155,6 +157,10 @@ prepare() {
   # https://github.com/msys2/MINGW-packages/issues/13108
   apply_patch_with_msg 0010-fix-system-libs-zstd.patch
 
+  # Backport to fix a crash when building OpenBLAS
+  # https://github.com/msys2/MINGW-packages/issues/13128#issuecomment-1256069921
+  patch -Nbp2 -i "${srcdir}/623c4a7a55f7.patch"
+
   # Patch clang
   cd "${srcdir}/clang"