更多编译器对C++11的支持比较
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上次对各编译器对C++11的支持比较之后，很多观众提议加入Intel C++ Compiler（ICC）和Clang。这次修订还加入了在VC11 Nov 12 CTP中对C++11的提升。上回表中的Yes/No标识也被我改成了写明支持一个feature的最低版本号，feature的顺序也调整了一下。为了方便查询，还加入了Proposal的链接。
C++11 Core Language Features
| Language Feature | Proposal | MSVC | GCC | ICC | Clang | 替代方案 |
| Rvalue references | N2118 | 10.0 | 4.3 | 12.0 | 2.9 | Boost.Move |
| Rvalue references for *this | N2439 | No | No | No | 2.9 | |
| Initialization of class objects by rvalues | N1610 | 9.0 | 4.3 | 11.1 | 2.9 | |
| Non-static data member initializers | N2756 | No | 4.7 | No | 3.0 | |
| Variadic templates | N2242 | Nov 12 | 4.3 | 12.1 | 2.9 | |
| Extending variadic template template parameters | N2555 | Nov 12 | 4.4 | No | 2.9 | |
| Initializer lists | N2672 | Nov 12 | 4.4 | No | 3.1 | |
| Static assertions | N1720 | 10.0 | 4.3 | 11.1 | 2.9 | Boost.StaticAssert |
| auto-typed variables | N1984 | 10.0 | 4.4 | 12.0 | 2.9 | Boost.Typeof |
| Multi-declarator auto | N1737 | 10.0 | 4.4 | 12.0 | 2.9 | Boost.Typeof |
| Removal of auto as a storage-class specifier | N2546 | 10.0 | 4.4 | 12.0 | 2.9 | Boost.Typeof |
| New function declarator syntax | N2541 | 10.0 | 4.4 | 12.0 | 2.9 | Boost.ReturnType |
| New wording for C++11 lambdas | N2927 | 10.0 | 4.5 | 12.0 | 3.1 | Boost.Lambda |
| Declared type of an expression | N2343 | 10.0 | 4.3 | 12.0 | 2.9 | Boost.Typeof |
| Incomplete return types | N3276 | 11.0 | No | 12.1 | 3.1 | |
| Right angle brackets | N1757 | 9.0 | 4.3 | 11.1 | 2.9 | TR1 |
| Default template arguments for function templates | DR226 | Nov 12 | 4.3 | 12.1 | 2.9 | |
| Solving the SFINAE problem for expressions | DR339 | No | 4.4 | 12.1 | 2.9 | |
| Template aliases | N2258 | No | 4.7 | 12.1 | 3.0 | |
| Extern templates | N1987 | 9.0 | 4.3 | 11.1 | 2.9 | |
| Null pointer constant | N2431 | 10.0 | 4.6 | 12.1 | 3.0 | 自己实现的null_ptr |
| Strongly-typed enums | N2347 | 11.0 | 4.4 | No | 2.9 | #define |
| Forward declarations for enums | N2764 | 11.0 | 4.6 | No | 3.1 | |
| Generalized attributes | N2761 | No | 4.8 | 12.1 | No | |
| Generalized constant expressions | N2235 | No | 4.6 | No | 3.1 | |
| Alignment support | N2341 | No | 4.8 | No | 3.0 | |
| Delegating constructors | N1986 | Nov 12 | 4.7 | No | 3.0 | |
| Inheriting constructors | N2540 | No | 4.8 | No | No | |
| Explicit conversion operators | N2437 | Nov 12 | 4.5 | No | 3.0 | |
| New character types | N2249 | No | 4.4 | No | 2.9 | |
| Unicode string literals | N2442 | No | 4.5 | No | 3.0 | |
| Raw string literals | N2442 | Nov 12 | 4.5 | No | 3.0 | |
| Universal character name literals | N2170 | No | 4.5 | No | 3.1 | |
| User-defined literals | N2765 | No | 4.7 | No | 3.1 | |
| Standard Layout Types | N2342 | 11.0 | 4.5 | No | 3.0 | |
| Defaulted and deleted functions | N2346 | No | 4.4 | 12.0 | 3.0 | |
| Extended friend declarations | N1791 | 10.0 | 4.7 | 12.0 | 2.9 | |
| Extending sizeof | N2253 | No | 4.4 | No | 3.1 | |
| Inline namespaces | N2535 | No | 4.4 | No | 2.9 | |
| Unrestricted unions | N2544 | No | 4.6 | No | 3.1 | |
| Local and unnamed types as template arguments | N2657 | 9.0 | 4.5 | 12.0 | 2.9 | |
| Range-based for | N2930 | 11.0 | 4.6 | 13.0 | 3.0 | Boost.Foreach |
| Explicit virtual overrides | N2928 | 11.0 | 4.7 | No | 3.0 | #define |
| Minimal support for garbage collection and reachability-based leak detection | N2670 | 10.0 | No | No | No | |
| Allowing move constructors to throw [noexcept] | N3050 | No | 4.6 | No | 3.0 | |
| Defining move special member functions | N3053 | No | 4.6 | No | 3.0 |
C++11 Core Language Features: Concurrency
| Language Feature | Proposal | MSVC | GCC | ICC | Clang | 替代方案 |
| Sequence points | N2239 | No | No | No | No | |
| Atomic operations | N2427 | 11.0 | 4.4 | 13.0 | 3.1 | Boost.Atomic |
| Strong Compare and Exchange | N2748 | 11.0 | No | No | 3.1 | |
| Bidirectional Fences | N2752 | 11.0 | No | No | 3.1 | |
| Memory model | N2429 | No | No | No | No | |
| Data-dependency ordering: atomics and memory model | N2664 | 11.0 | No | No | No | |
| Propagating exceptions | N2179 | 10.0 | 4.4 | 12.0 | 2.9 | Boost.Exception |
| Abandoning a process and at_quick_exit | N2440 | No | No | No | No | |
| Allow atomics use in signal handlers | N2547 | No | No | No | 3.1 | |
| Thread-local storage | N2659 | No | 4.8 | No | No | Boost.Thread |
| Dynamic initialization and destruction with concurrency | N2660 | No | No | No | No |
C++11 Core Language Features: C99
| Language Feature | Proposal | MSVC | GCC | ICC | Clang | 替代方案 |
| __func__ predefined identifier | N2340 | No | 4.3 | 11.1 | 2.9 | __FUNCTION__ |
| C99 preprocessor | N1653 | No | 4.3 | 11.1 | 2.9 | |
| long long | N1811 | 9.0 | 4.3 | 11.1 | 2.9 | __int64 |
| Extended integral types | N1988 | No | No | No | No |
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