PPC32 doesn't support some of the clang-repl due to R_PPC_REL24 not being
implemented in RuntimeDyld.

--- clang-14.0.6.src/test/Interpreter/execute.cpp.old	2022-06-22 16:46:24.000000000 +0000
+++ clang-14.0.6.src/test/Interpreter/execute.cpp	2022-12-05 01:04:26.517960246 +0000
@@ -1,4 +1,4 @@
-// UNSUPPORTED: system-aix
+// UNSUPPORTED: system-aix, powerpc-
 
 // clang-format off
 // RUN: clang-repl "int i = 10;" 'extern "C" int printf(const char*,...);' \
--- clang-14.0.6.src/unittests/Interpreter/InterpreterTest.cpp.old	2022-06-22 16:46:24.000000000 +0000
+++ clang-14.0.6.src/unittests/Interpreter/InterpreterTest.cpp	2022-12-05 01:53:47.058187317 +0000
@@ -270,7 +270,7 @@
   return R.getFoundDecl();
 }
 
-#ifdef CLANG_INTERPRETER_NO_SUPPORT_EXEC
+#if defined(CLANG_INTERPRETER_NO_SUPPORT_EXEC) || (!defined(__powerpc64__) && defined(__powerpc__))
 TEST(IncrementalProcessing, DISABLED_InstantiateTemplate) {
 #else
 TEST(IncrementalProcessing, InstantiateTemplate) {