src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java

*** 234,244 ****
  
      /** Warn about unsafe vararg method decl.
       *  @param pos        Position to be used for error reporting.
       */
      void warnUnsafeVararg(DiagnosticPosition pos, Warning warnKey) {
!         if (lint.isEnabled(LintCategory.VARARGS) && Feature.SIMPLIFIED_VARARGS.allowedInSource(source))
              log.warning(LintCategory.VARARGS, pos, warnKey);
      }
  
      public void warnStatic(DiagnosticPosition pos, Warning warnKey) {
          if (lint.isEnabled(LintCategory.STATIC))
--- 234,244 ----
  
      /** Warn about unsafe vararg method decl.
       *  @param pos        Position to be used for error reporting.
       */
      void warnUnsafeVararg(DiagnosticPosition pos, Warning warnKey) {
!         if (lint.isEnabled(LintCategory.VARARGS))
              log.warning(LintCategory.VARARGS, pos, warnKey);
      }
  
      public void warnStatic(DiagnosticPosition pos, Warning warnKey) {
          if (lint.isEnabled(LintCategory.STATIC))
*** 884,894 ****
              }
          };
  
      void checkVarargsMethodDecl(Env<AttrContext> env, JCMethodDecl tree) {
          MethodSymbol m = tree.sym;
-         if (!Feature.SIMPLIFIED_VARARGS.allowedInSource(source)) return;
          boolean hasTrustMeAnno = m.attribute(syms.trustMeType.tsym) != null;
          Type varargElemType = null;
          if (m.isVarArgs()) {
              varargElemType = types.elemtype(tree.params.last().type);
          }
--- 884,893 ----
*** 996,1015 ****
              }
          }
          if (useVarargs) {
              Type argtype = owntype.getParameterTypes().last();
              if (!types.isReifiable(argtype) &&
!                 (!Feature.SIMPLIFIED_VARARGS.allowedInSource(source) ||
!                  sym.baseSymbol().attribute(syms.trustMeType.tsym) == null ||
                   !isTrustMeAllowedOnMethod(sym))) {
                  warnUnchecked(env.tree.pos(), Warnings.UncheckedGenericArrayCreation(argtype));
              }
              TreeInfo.setVarargsElement(env.tree, types.elemtype(argtype));
           }
-          if ((sym.flags() & SIGNATURE_POLYMORPHIC) != 0 && !target.hasMethodHandles()) {
-             log.error(env.tree, Errors.BadTargetSigpolyCall(target, Target.JDK1_7));
-          }
           return owntype;
      }
      //where
      private void assertConvertible(JCTree tree, Type actual, Type formal, Warner warn) {
          if (types.isConvertible(actual, formal, warn))
--- 995,1010 ----
              }
          }
          if (useVarargs) {
              Type argtype = owntype.getParameterTypes().last();
              if (!types.isReifiable(argtype) &&
!                 (sym.baseSymbol().attribute(syms.trustMeType.tsym) == null ||
                   !isTrustMeAllowedOnMethod(sym))) {
                  warnUnchecked(env.tree.pos(), Warnings.UncheckedGenericArrayCreation(argtype));
              }
              TreeInfo.setVarargsElement(env.tree, types.elemtype(argtype));
           }
           return owntype;
      }
      //where
      private void assertConvertible(JCTree tree, Type actual, Type formal, Warner warn) {
          if (types.isConvertible(actual, formal, warn))