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i386: Disable check_consistency for GCC 5 and above [BZ #25788]

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check_consistency should be disabled for GCC 5 and above since there is
no fixed PIC register in GCC 5 and above.  Check __GNUC_PREREQ (5,0)
instead OPTIMIZE_FOR_GCC_5 since OPTIMIZE_FOR_GCC_5 is false with
-fno-omit-frame-pointer.
This commit is contained in:
H.J. Lu 2020-04-06 06:02:11 -07:00
parent f9ac84f92f
commit f90a7e96df
1 changed files with 3 additions and 2 deletions
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5
sysdeps/unix/sysv/linux/i386/sysdep.h
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@ -580,8 +580,9 @@ struct libc_do_syscall_args
# define EXTRAVAR_5 # define EXTRAVAR_5
#endif #endif
/* Consistency check for position-independent code. */ /* Consistency check for position-independent code. Disabled for GCC 5
#if defined __PIC__ && !defined OPTIMIZE_FOR_GCC_5 and above since there is no fixed PIC register in GCC 5 and above. */
#if defined __PIC__ && !__GNUC_PREREQ (5,0)
# define check_consistency() \ # define check_consistency() \
({ int __res; \ ({ int __res; \
__asm__ __volatile__ \ __asm__ __volatile__ \