[AIX][TLS] Add assert check of valid csect type for the storage mapping class XCOFF...

This patch adds the assert check inside the constructor for the csect (MCSectionXCOFF) to ensure
valid csect type used for the storage mappping class XCOFF:XMC_UL.

diff --git a/llvm/include/llvm/MC/MCSectionXCOFF.h b/llvm/include/llvm/MC/MCSectionXCOFF.h
index 27c06a2..1dafdd3 100644 (file)
--- a/llvm/include/llvm/MC/MCSectionXCOFF.h
+++ b/llvm/include/llvm/MC/MCSectionXCOFF.h
@@ -51,6 +51,9 @@ class MCSectionXCOFF final : public MCSection {
         (ST == XCOFF::XTY_SD || ST == XCOFF::XTY_CM || ST == XCOFF::XTY_ER) &&
         "Invalid or unhandled type for csect.");
     assert(QualName != nullptr && "QualName is needed.");
+    if (SMC == XCOFF::XMC_UL)
+      assert((ST == XCOFF::XTY_CM || ST == XCOFF::XTY_ER) &&
+             "Invalid csect type for storage mapping class XCOFF::XMC_UL");
 
     QualName->setRepresentedCsect(this);
     QualName->setStorageClass(XCOFF::C_HIDEXT);