old perf compile histogram (dmd.2.065)

 25.23%  dmd  dmd                  [.] ScopeDsymbol::search(Loc, Identifier*, int)
  8.15%  dmd  dmd                  [.] _aaGetRvalue(AA*, void*)
  4.71%  dmd  dmd                  [.] Lexer::scan(Token*)
  4.07%  dmd  dmd                  [.] Module::search(Loc, Identifier*, int)
  3.38%  dmd  dmd                  [.] StringTable::search(char const*, unsigned long)
  1.89%  dmd  libc-2.18.so         [.] _int_malloc
  1.43%  dmd  libc-2.18.so         [.] malloc
  1.23%  dmd  [kernel.kallsyms]    [k] clear_page_c
  1.06%  dmd  dmd                  [.] Lexer::number(Token*)
  1.03%  dmd  libc-2.18.so         [.] vfprintf
  0.95%  dmd  [kernel.kallsyms]    [k] mem_cgroup_charge_anon
  0.86%  dmd  [kernel.kallsyms]    [k] page_fault
  0.77%  dmd  libc-2.18.so         [.] __memmove_ssse3_back
  0.71%  dmd  dmd                  [.] TemplateInstance::semantic(Scope*, Array<Expression*>*)
  0.71%  dmd  [kernel.kallsyms]    [k] get_page_from_freelist
  0.66%  dmd  dmd                  [.] Module::isModule()
  0.62%  dmd  dmd                  [.] Lexer::nextToken()
  0.62%  dmd  libc-2.18.so         [.] realloc
  0.54%  dmd  libc-2.18.so         [.] __memcpy_sse2
  0.48%  dmd  dmd                  [.] Parser::parsePrimaryExp()
  0.47%  dmd  dmd                  [.] operator new(unsigned long)
  0.41%  dmd  libc-2.18.so         [.] _int_free
  0.39%  dmd  dmd                  [.] Parser::parseStatement(int, unsigned char const**)
  0.39%  dmd  dmd                  [.] Lexer::peek(Token*)
  0.38%  dmd  dmd                  [.] Parser::parseAddExp()
  0.36%  dmd  dmd                  [.] calcHash(char const*, unsigned long)
  0.35%  dmd  dmd                  [.] Scope::Scope(Scope*)
  0.34%  dmd  libc-2.18.so         [.] _IO_default_xsputn
  0.34%  dmd  dmd                  [.] Parameter::foreach(Array<Parameter*>*, int (*)(void*, unsigned long, Parameter*), void*, unsigned long*)
  0.32%  dmd  dmd                  [.] Parser::parseCmpExp()
  0.32%  dmd  dmd                  [.] Expression::Expression(Loc, TOK, int)
  0.32%  dmd  libc-2.18.so         [.] _int_realloc
  0.31%  dmd  dmd                  [.] Parser::parseOrExp()
  0.31%  dmd  dmd                  [.] OutBuffer::writeByte(unsigned int)
  0.30%  dmd  dmd                  [.] TemplateDeclaration::findExistingInstance(TemplateInstance*, Array<Expression*>*)
  0.29%  dmd  dmd                  [.] Parser::parseCondExp()
  0.29%  dmd  dmd                  [.] Type::toBasetype()
  0.29%  dmd  dmd                  [.] Parser::parseOrOrExp()
  0.29%  dmd  libc-2.18.so         [.] strlen
  0.27%  dmd  [kernel.kallsyms]    [k] free_pcppages_bulk
  0.27%  dmd  [kernel.kallsyms]    [k] __mem_cgroup_uncharge_common
  0.27%  dmd  [kernel.kallsyms]    [k] __mod_zone_page_state
  0.26%  dmd  dmd                  [.] Parser::parseUnaryExp()
  0.26%  dmd  dmd                  [.] VarDeclaration::semantic(Scope*)
  0.25%  dmd  dmd                  [.] Parser::parseAssignExp()
  0.25%  dmd  dmd                  [.] Parser::parseXorExp()
  0.24%  dmd  dmd                  [.] _aaGet(AA**, void*)
  0.24%  dmd  [kernel.kallsyms]    [k] release_pages
  0.24%  dmd  dmd                  [.] Parser::parseArguments()
  0.23%  dmd  dmd                  [.] Parser::parseShiftExp()
  0.23%  dmd  [kernel.kallsyms]    [k] handle_mm_fault
  0.23%  dmd  [kernel.kallsyms]    [k] __alloc_pages_nodemask
  0.23%  dmd  [kernel.kallsyms]    [k] page_add_new_anon_rmap
  0.22%  dmd  dmd                  [.] Identifier::equals(RootObject*)
  0.22%  dmd  dmd                  [.] Parser::parsePostExp(Expression*)
  0.22%  dmd  dmd                  [.] Parser::parseMulExp()
  0.21%  dmd  dmd                  [.] Parser::parseAndExp()
  0.21%  dmd  dmd                  [.] Type::Type(unsigned char)