[OPENMP 4.1] Initial support for modifiers in 'linear' clause.
OpenMP 4.1 adds 3 optional modifiers to 'linear' clause.
Format of 'linear' clause has changed to:
```
linear(linear-list[ : linear-step])
```
where linear-list is one of the following
```
list
modifier(list)
```
where modifier is one of the following:
```
ref (C++)
val (C/C++)
uval (C++)
```
Patch adds parsing and sema analysis for these modifiers.
llvm-svn: 245550
diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index a04f4e5..18b1051d 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -1970,6 +1970,8 @@
void OMPClauseReader::VisitOMPLinearClause(OMPLinearClause *C) {
C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
C->setColonLoc(Reader->ReadSourceLocation(Record, Idx));
+ C->setModifier(static_cast<OpenMPLinearClauseKind>(Record[Idx++]));
+ C->setModifierLoc(Reader->ReadSourceLocation(Record, Idx));
unsigned NumVars = C->varlist_size();
SmallVector<Expr *, 16> Vars;
Vars.reserve(NumVars);