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bug: add __builtin_unreachable in BUG_ON_HANDLER

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This will surpress false gcc warnings like this:
criu/stats.c:85:10: error: array subscript 4 is above array bounds
of 'struct timing[2]' [-Werror=array-bounds]
   85 |   return &rstats->timings[t];
      |          ^~~~~~~~~~~~~~~~~~~
criu/stats.c:25:16: note: while referencing 'timings'
   25 |  struct timing timings[RESTORE_TIME_NS_STATS];
      |                ^~~~~~~
cc1: all warnings being treated as errors

Signed-off-by: Andrei Vagin <avagin@gmail.com>
This commit is contained in:
Andrei Vagin 2021-02-23 22:08:27 -08:00
parent 4eb43dc4de
commit 9582a44ce1
1 changed files with 1 additions and 0 deletions
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include/common/bug.h
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@ -24,6 +24,7 @@
pr_err("BUG at %s:%d\n", __FILE__, __LINE__); \
__raise(); \
*(volatile unsigned long *)NULL = 0xdead0000 + __LINE__; \
__builtin_unreachable(); \
} \
} while (0)
#else