clang_13,clang_14,clang_git: deduplicate patch

The same patch applies to all Clang versions using it.

pkgs/development/compilers/llvm/13/clang/add-nostdlibinc-flag.patch

@@ -1,18 +0,0 @@
-diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
-index 94a7553e273b..8a1d455950b2 100644
---- a/lib/Driver/Driver.cpp
-+++ b/lib/Driver/Driver.cpp
-@@ -412,6 +412,13 @@ DerivedArgList *Driver::TranslateInputArgs(const InputArgList &Args) const {
-   }
- #endif
- 
-+  {
-+    Arg *A = DAL->MakeFlagArg(/*BaseArg=*/nullptr,
-+                              Opts.getOption(options::OPT_nostdlibinc));
-+    A->claim();
-+    DAL->append(A);
-+  }
-+
-   return DAL;
- }
- 

pkgs/development/compilers/llvm/13/clang/default.nix

@@ -42,7 +42,7 @@ let
       # mis-compilation in firefox.
       # See: https://bugzilla.mozilla.org/show_bug.cgi?id=1741454
       ./revert-malloc-alignment-assumption.patch
-      ./add-nostdlibinc-flag.patch
+      ../../common/clang/add-nostdlibinc-flag.patch
       (substituteAll {
         src = ../../clang-11-12-LLVMgold-path.patch;
         libllvmLibdir = "${libllvm.lib}/lib";

pkgs/development/compilers/llvm/14/clang/add-nostdlibinc-flag.patch

@@ -1,18 +0,0 @@
-diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
-index 3bfddeefc7b2..05b11d9e562d 100644
---- a/lib/Driver/Driver.cpp
-+++ b/lib/Driver/Driver.cpp
-@@ -482,6 +482,13 @@ DerivedArgList *Driver::TranslateInputArgs(const InputArgList &Args) const {
-   }
- #endif
- 
-+  {
-+    Arg *A = DAL->MakeFlagArg(/*BaseArg=*/nullptr,
-+                              Opts.getOption(options::OPT_nostdlibinc));
-+    A->claim();
-+    DAL->append(A);
-+  }
-+
-   return DAL;
- }
- 

pkgs/development/compilers/llvm/14/clang/default.nix

@@ -45,7 +45,7 @@ let
       ./purity.patch
       # https://reviews.llvm.org/D51899
       ./gnu-install-dirs.patch
-      ./add-nostdlibinc-flag.patch
+      ../../common/clang/add-nostdlibinc-flag.patch
       (substituteAll {
         src = ../../clang-11-12-LLVMgold-path.patch;
         libllvmLibdir = "${libllvm.lib}/lib";

pkgs/development/compilers/llvm/git/clang/default.nix

@@ -46,7 +46,7 @@ let
       ./purity.patch
       # https://reviews.llvm.org/D51899
       ./gnu-install-dirs.patch
-      ./add-nostdlibinc-flag.patch
+      ../../common/clang/add-nostdlibinc-flag.patch
       (substituteAll {
         src = ../../clang-11-12-LLVMgold-path.patch;
         libllvmLibdir = "${libllvm.lib}/lib";