[OPENMP] Fix PR34926: Fix handling of the array sections passed as

function params.

Codegen could crash if the array section base expression is the
function parameter.

llvm-svn: 315586

1 files changed, 1 insertions, 6 deletions

diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 798a2ef0c5d..0f2e328effc 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -3349,12 +3349,7 @@ static Address emitOMPArraySectionBase(CodeGenFunction &CGF, const Expr *Base,
 
 LValue CodeGenFunction::EmitOMPArraySectionExpr(const OMPArraySectionExpr *E,
                                                 bool IsLowerBound) {
-  QualType BaseTy;
-  if (auto *ASE =
-          dyn_cast<OMPArraySectionExpr>(E->getBase()->IgnoreParenImpCasts()))
-    BaseTy = OMPArraySectionExpr::getBaseOriginalType(ASE);
-  else
-    BaseTy = E->getBase()->getType();
+  QualType BaseTy = OMPArraySectionExpr::getBaseOriginalType(E->getBase());
   QualType ResultExprTy;
   if (auto *AT = getContext().getAsArrayType(BaseTy))
     ResultExprTy = AT->getElementType();