[OPENMP 4.0] Fixed support of array sections/array subscripts.

Codegen for array sections/array subscripts worked only for expressions with arrays as base. Patch fixes codegen for bases with pointer/reference types.

llvm-svn: 259776

1 files changed, 4 insertions, 2 deletions

diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index 5590527819e..d376fc72003 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -4026,16 +4026,18 @@ unsigned AtomicExpr::getNumSubExprs(AtomicOp Op) {
   llvm_unreachable("unknown atomic op");
 }
 
-QualType OMPArraySectionExpr::getBaseOriginalType(Expr *Base) {
+QualType OMPArraySectionExpr::getBaseOriginalType(const Expr *Base) {
   unsigned ArraySectionCount = 0;
   while (auto *OASE = dyn_cast<OMPArraySectionExpr>(Base->IgnoreParens())) {
     Base = OASE->getBase();
     ++ArraySectionCount;
   }
-  while (auto *ASE = dyn_cast<ArraySubscriptExpr>(Base->IgnoreParens())) {
+  while (auto *ASE =
+             dyn_cast<ArraySubscriptExpr>(Base->IgnoreParenImpCasts())) {
     Base = ASE->getBase();
     ++ArraySectionCount;
   }
+  Base = Base->IgnoreParenImpCasts();
   auto OriginalTy = Base->getType();
   if (auto *DRE = dyn_cast<DeclRefExpr>(Base))
     if (auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl()))