[AIX][XCOFF][BUG-Fixed] need to switch back to text section after emit a dumy eh structure

Summary:

in the patch https://reviews.llvm.org/D103651 [AIX][XCOFF] generate eh_info when vector registers are saved according to the traceback table.

when generate eh_info, it switch to other section, when it done, it need to switch back to text section again.

Reviewers: Jason Liu
Differential Revision: https://reviews.llvm.org/105195

llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp

@@ -1928,6 +1928,7 @@ void PPCAIXAsmPrinter::emitFunctionBodyEnd() {
 
     OutStreamer->emitIntValue(0, PointerSize);
     OutStreamer->emitIntValue(0, PointerSize);
+    OutStreamer->SwitchSection(MF->getSection());
   }
 }
 

llvm/test/CodeGen/PowerPC/aix-emit-tracebacktable-clobber-register.ll

@@ -90,6 +90,8 @@ entry:
 ; COMMON-NEXT:  .align  2
 ; COMMON-NEXT:  .vbyte  4, 0
 ; COMMON-NEXT:  .vbyte  4, 0
+; CHECK-ASM-NEXT:  .csect .text[PR],2
+; CHECK-FUNC-NEXT:  .csect .foov[PR],2
 ; COMMON-NEXT:                                         # -- End function
 ; COMMON:       .toc
 ; COMMON:      L..C2: