fix objcopy test

Author: joaosaffran

clang/test/Driver/dxc_frs.hlsl

@@ -3,7 +3,7 @@
 // Test to demonstrate extracting the root signature to the specified
 // output file with /Frs.
 
-// CHECK: "{{.*}}llvm-objcopy{{(.exe)?}}" "{{.*}}.obj" "{{.*}}.dxo" "--extract-section=RTS0={{.*}}.rs.dxo"
+// CHECK: "{{.*}}/llvm-objcopy{{(.exe)?}}" "{{.*}}.obj" "{{.*}}.{{(dxo|obj)}}" "--extract-section=RTS0={{.*}}.rs.dxo"
 
 [shader("compute"), RootSignature("")]
 [numthreads(1,1,1)]

clang/test/Driver/dxc_rootsignature_target.hlsl

@@ -3,6 +3,6 @@
 // CMDS: "{{.*}}clang{{.*}}" "-cc1"
 // CMDS-SAME: "-triple" "dxilv1.1-unknown-shadermodel1.1-rootsignature"
 // CMDS-SAME: "-hlsl-entry" "EntryRS"
-// CMDS: "{{.*}}llvm-objcopy{{(.exe)?}}" "{{.*}}.dxo" "--only-section=RTS0"
+// CMDS: "{{.*}}llvm-objcopy{{(.exe)?}}" "{{.*}}.{{(dxo|obj)}}" "--only-section=RTS0"
 
 #define EntryRS "UAV(u0)"