[OpenACC][CIR] Fix 'copy' tests after deferred emission patch.

The patch llvm#142998 crossed in the air with llvm#142862.  This resulted in 2
of the tests from the former to not have the inlined function emitted.
This patch adds an additional function to force these to be emitted.

Author: erichkeane

clang/test/CIR/CodeGenOpenACC/combined-copy.cpp

@@ -214,6 +214,11 @@ void InlineFunc() {
 void OutlineFunc();
 };
 
+void InlineUse() {
+  StructTy s;
+  s.InlineFunc();
+}
+
 void StructTy::OutlineFunc() {
   // CHECK: cir.func {{.*}}OutlineFunc{{.*}}
   // CHECK-NEXT: %[[THIS:.*]] = cir.alloca !cir.ptr<!rec_StructTy>, !cir.ptr<!cir.ptr<!rec_StructTy>>, ["this", init]

clang/test/CIR/CodeGenOpenACC/compute-copy.cpp

@@ -178,6 +178,11 @@ void InlineFunc() {
 void OutlineFunc();
 };
 
+void InlineUse() {
+  StructTy s;
+  s.InlineFunc();
+}
+
 void StructTy::OutlineFunc() {
   // CHECK: cir.func {{.*}}OutlineFunc{{.*}}
   // CHECK-NEXT: %[[THIS:.*]] = cir.alloca !cir.ptr<!rec_StructTy>, !cir.ptr<!cir.ptr<!rec_StructTy>>, ["this", init]