GCC 6.3 compiling issues

Compiling build/opt/mongo/base/parse_number_test.o

In file included from src/mongo/base/parse_number_test.cpp:37:0:

src/mongo/base/parse_number_test.cpp:295:49: error: exponent has no digits

     ASSERT_PARSES(double, "0xabcab.defdefP-10", 0xabcab.defdefP-10);

                                                 ^

src/mongo/unittest/unittest.h:106:93: note: in definition of macro '_ASSERT_COMPARISON'

     ::mongo::unittest::ComparisonAssertion_##COMPARISON(__FILE__, __LINE__, #a, #b, a, b)) \

                                                                                     ^

src/mongo/unittest/unittest.h:85:29: note: in expansion of macro 'ASSERT_EQ'

 #define ASSERT_EQUALS(a, b) ASSERT_EQ(a, b)

                             ^~~~~~~~~

src/mongo/base/parse_number_test.cpp:44:9: note: in expansion of macro 'ASSERT_EQUALS'

         ASSERT_EQUALS(static_cast<TYPE>(EXPECTED_VALUE), v); \

         ^~~~~~~~~~~~~

src/mongo/base/parse_number_test.cpp:295:5: note: in expansion of macro 'ASSERT_PARSES'

     ASSERT_PARSES(double, "0xabcab.defdefP-10", 0xabcab.defdefP-10);

     ^~~~~~~~~~~~~

scons: *** [build/opt/mongo/base/parse_number_test.o] Error 1

scons: building terminated because of errors.

build/opt/mongo/base/parse_number_test.o failed: Error 1