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[Bug bootstrap/56327] New: [4.8 Regression] Revision 196009 breaks bootstrap on x32


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56327

             Bug #: 56327
           Summary: [4.8 Regression] Revision 196009 breaks bootstrap on
                    x32
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On x32, revision 196009 gave

In file included from
/export/gnu/import/git/gcc/libsanitizer/interception/interception.h:20:0,
                 from
/export/gnu/import/git/gcc/libsanitizer/interception/interception_type_test.cc:15:
/export/gnu/import/git/gcc/libsanitizer/sanitizer_common/sanitizer_internal_defs.h:221:72:
error: size of array âassertion_failed__34â is negative
     typedef char IMPL_PASTE(assertion_failed_##_, line)[2*(int)(pred)-1]
                                                                        ^
/export/gnu/import/git/gcc/libsanitizer/sanitizer_common/sanitizer_internal_defs.h:215:30:
note: in expansion of macro âIMPL_COMPILER_ASSERTâ
 #define COMPILER_CHECK(pred) IMPL_COMPILER_ASSERT(pred, __LINE__)
                              ^
/export/gnu/import/git/gcc/libsanitizer/interception/interception_type_test.cc:34:1:
note: in expansion of macro âCOMPILER_CHECKâ
 COMPILER_CHECK(sizeof(OFF_T) == sizeof(off_t));
 ^
make[7]: *** [interception_type_test.lo] Error 1
make[7]: *** Waiting for unfinished jobs....

The problem is in libsanitizer/interception/interception.h:

#ifdef __APPLE__
typedef __sanitizer::u64 OFF_T;
#else
typedef __sanitizer::uptr OFF_T;
#endif

On x32, off_t is 64 bit and uptr is 32 bit.


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