Problems reported:

parser/general/issue_45848_04:4:5: Expected a type, but got '>'.
  f<>();
    ^

beginCompilationUnit(void)
  beginMetadataStar(void)
  endMetadataStar(0)
  beginTopLevelMember(void)
    beginTopLevelMethod(, null, null)
      handleVoidKeyword(void)
      handleIdentifier(f, topLevelFunctionDeclaration)
      beginTypeVariables(<)
        beginMetadataStar(T)
        endMetadataStar(0)
        handleIdentifier(T, typeVariableDeclaration)
        beginTypeVariable(T)
          handleTypeVariablesDefined(T, 1)
          handleNoType(T)
        endTypeVariable(>, 0, null, null)
      endTypeVariables(<, >)
      beginFormalParameters((, MemberKind.TopLevelMethod)
      endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
      handleAsyncModifier(null, null)
      beginBlockFunctionBody({)
      endBlockFunctionBody(0, {, })
    endTopLevelMethod(void, null, })
  endTopLevelDeclaration(void)
  beginMetadataStar(void)
  endMetadataStar(0)
  beginTopLevelMember(void)
    beginTopLevelMethod(}, null, null)
      handleVoidKeyword(void)
      handleIdentifier(m, topLevelFunctionDeclaration)
      handleNoTypeVariables(()
      beginFormalParameters((, MemberKind.TopLevelMethod)
      endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
      handleAsyncModifier(null, null)
      beginBlockFunctionBody({)
        handleIdentifier(f, expression)
        beginTypeArguments(<)
          handleRecoverableError(Message[ExpectedType, Expected a type, but got '>'., null, {lexeme: >}], >, >)
          handleIdentifier(, typeReference)
          handleNoTypeArguments(>)
          handleType(, null)
        endTypeArguments(1, <, >)
        beginArguments(()
        endArguments(0, (, ))
        handleSend(f, ;)
        handleExpressionStatement(;)
      endBlockFunctionBody(1, {, })
    endTopLevelMethod(void, null, })
  endTopLevelDeclaration()
endCompilationUnit(2, )