- u -

• UNARY_MATH_FUNCTION : platform-posix.cc , platform-win32.cc
• UNIMPLEMENTED : checks.h
• UNIMPLEMENTED_MIPS : constants-mips.h
• UNINITIALIZED_TEST : cctest.h
• UNREACHABLE : checks.h
• UNSUPPORTED_MIPS : constants-mips.h
• UPDATE_COUNTERS_AND_FRAGMENTATION_FOR_SPACE : heap.cc
• UPDATE_COUNTERS_FOR_SPACE : heap.cc
• UPDATE_FRAGMENTATION_FOR_SPACE : heap.cc