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libbacktrace: use __attribute__((__fallthrough__))

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Use an attribute rather than a comment when falling through a switch case.

	* internal.h (ATTRIBUTE_FALLTHROUGH): Define.
	* elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
This commit is contained in:
Ian Lance Taylor
2020-10-20 11:47:35 -07:00
parent 5009c11398
commit 73eb1803b1
2 changed files with 16 additions and 8 deletions
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8
internal.h
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@@ -56,6 +56,14 @@ POSSIBILITY OF SUCH DAMAGE. */
# endif
#endif
#ifndef ATTRIBUTE_FALLTHROUGH
# if (GCC_VERSION >= 7000)
# define ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
# else
# define ATTRIBUTE_FALLTHROUGH
# endif
#endif
#ifndef HAVE_SYNC_FUNCTIONS
/* Define out the sync functions. These should never be called if