[llvm] [clang] Hurd: Add x86_64 support (PR #78065)

[Fangrui Song via cfe-commits]

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@@ -78,3 +78,82 @@
 // CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/10/../../../../i686-gnu/bin/ld" {{.*}} "-m" "elf_i386"
 // CHECK-CROSS: "{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/10/crtbegin.o"
 // CHECK-CROSS: "-L{{.*}}/Inputs/basic_cross_hurd_tree/usr/lib/gcc/i686-gnu/10/../../../../i686-gnu/lib"
+
+// RUN: %clang -### %s --target=x86_64-pc-hurd-gnu --sysroot=%S/Inputs/basic_hurd_tree \
+// RUN:   --stdlib=platform 2>&1 | FileCheck --check-prefix=CHECK-64 %s
+// CHECK-64:      "-cc1"
+// CHECK-64:      "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-64-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/x86_64-gnu/10/../../../../include/c++/10"
+/// Debian specific - the path component after 'include' is x86_64-gnu even
+/// though the installation is x86_64-gnu.
+// CHECK-64-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/x86_64-gnu/10/../../../../include/x86_64-gnu/c++/10"
+// CHECK-64-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/x86_64-gnu/10/../../../../include/c++/10/backward"
+// CHECK-64-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK-64:      "-internal-externc-isystem"
+// CHECK-64-SAME: {{^}} "[[SYSROOT]]/usr/include/x86_64-gnu"
+// CHECK-64-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-64-SAME: {{^}} "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+// CHECK-64:      "{{.*}}ld" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-64:      "-dynamic-linker" "/lib/ld-x86-64.so.1"
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MaskRay wrote:

Use `-SAME`

https://github.com/llvm/llvm-project/pull/78065