[NFC][Driver] Fix commands not compatible w/ lit internal shell (#32841)

ee0f86d switched to use
internal shell by default.
Two commands are not running correctly with lit internal shell.
Use explicitly shell or python to fix the issue.

Author: jsji

clang/test/Driver/clang-offload-bundler-bc-archive-support-linux-old-model.cpp

@@ -93,19 +93,19 @@
 // RUN: clang-offload-bundler -unbundle -type=aoo -input=%t_bundled.a -targets=host-spir64_gen               -output=%t_list4.txt
 // RUN: clang-offload-bundler -unbundle -type=aoo -input=%t_bundled.a -targets=host-spir64_x86_64            -output=%t_list5.txt
 
-// RUN: cmp %t_unbundled_A.o `cat %t_list1.txt`
-// RUN: cmp %t_unbundled_B.o `cat %t_list2.txt`
-// RUN: cmp %t1.bc           `cat %t_list3.txt`
-// RUN: cmp %t2.bc           `cat %t_list4.txt`
-// RUN: cmp %t3.bc           `cat %t_list5.txt`
+// RUN: sh -c 'cmp %t_unbundled_A.o `cat %t_list1.txt`'
+// RUN: sh -c 'cmp %t_unbundled_B.o `cat %t_list2.txt`'
+// RUN: sh -c 'cmp %t1.bc           `cat %t_list3.txt`'
+// RUN: sh -c 'cmp %t2.bc           `cat %t_list4.txt`'
+// RUN: sh -c 'cmp %t3.bc           `cat %t_list5.txt`'
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // TEST4
 // Test archive unbundling for multiple targets
 // RUN: clang-offload-bundler -unbundle -type=aoo -input=%t_bundled.a -targets=sycl-spir64-unknown-unknown,host-spir64_gen -output=%t_listA.txt -output=%t_listB.txt
 
-// RUN: cmp %t_unbundled_A.o `cat %t_listA.txt`
-// RUN: cmp %t2.bc           `cat %t_listB.txt`
+// RUN: sh -c 'cmp %t_unbundled_A.o `cat %t_listA.txt`'
+// RUN: sh -c 'cmp %t2.bc           `cat %t_listB.txt`'
 
 #include <sycl/sycl.hpp>
 

clang/test/Driver/clang-offload-bundler-bc-archive-support2-linux.cpp

@@ -33,8 +33,8 @@
 
 // CHECK-LIST-LENGTH: 2
 
-// RUN: cmp %t_unbundled.bc `grep .bc$ %t_list.txt`
-// RUN: cmp %t_unbundled.o  `grep .o$  %t_list.txt`
+// RUN: sh -c 'cmp %t_unbundled.bc `grep .bc$ %t_list.txt`'
+// RUN: sh -c 'cmp %t_unbundled.o  `grep .o$  %t_list.txt`'
 
 void foo() {
 }