[OpaquePtr][LLParser] Explicitly turn off opaque pointers if we see a star

If we turn on --opaque-pointers, tests with '*' would use opaque pointers.

Can't really test this without flipping the default value for --opaque-pointers.

Reviewed By: #opaque-pointers, nikic

Differential Revision: https://reviews.llvm.org/D125735

llvm/lib/AsmParser/LLParser.cpp

@@ -66,6 +66,8 @@ static void setContextOpaquePointers(LLLexer &L, LLVMContext &C) {
     // explicit "ptr".
     if (K == lltok::star || K == lltok::Error || K == lltok::Eof ||
         isa_and_nonnull<PointerType>(L.getTyVal())) {
+      if (K == lltok::star)
+        C.setOpaquePointers(false);
       return;
     }
   }