LLVM patch: Fix Triple::isTargetEHABICompatible() for NetBSD

This can hopefully be dropped with LLVM 21.

Author: alexrp

README.md

@@ -32,6 +32,7 @@ For other versions, check the git tags of this repository.
  * LLVM: Support .lib extension for static zstd.
  * LLVM: Portable handling of .def linker flag
  * LLVM: Don't pass -static when building executables.
+ * LLVM: Fix `Triple::isTargetEHABICompatible()` for NetBSD
  * Clang: Ignore the examples directory
  * Clang: Disable building of libclang-cpp.so.
  * LLD: Added additional include directory to Zig's libunwind.

llvm/include/llvm/TargetParser/Triple.h

@@ -913,7 +913,8 @@ class Triple {
             getEnvironment() == Triple::GNUEABIHFT64 ||
             getEnvironment() == Triple::OpenHOS ||
             getEnvironment() == Triple::MuslEABIHF || isAndroid()) &&
-           isOSBinFormatELF();
+           isOSBinFormatELF() &&
+           !isOSNetBSD();
   }
 
   /// Tests whether the target is T32.