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authorJoseph Myers <joseph@codesourcery.com>2014-05-20 21:27:13 +0000
committerJoseph Myers <joseph@codesourcery.com>2014-05-20 21:27:13 +0000
commit175cef4163dd60f95106cfd5f593b8a4e09d02c9 (patch)
treeae412697f6735c98673619f69aded223f389cd4c /stdio-common/isoc99_fscanf.c
parent7c112a38127d1d1df0d31ac4ce437294b7813229 (diff)
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Fix ARM build with GCC trunk.
sysdeps/unix/sysv/linux/arm/unwind-resume.c and
sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c have static
variables that are written in C code but only read from toplevel asms.
Current GCC trunk now optimizes away such apparently write-only static
variables, so causing a build failure.  This patch marks those
variables with __attribute_used__ to avoid that optimization.

Tested that this fixes the build for ARM.

	* sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c
	(libgcc_s_resume): Use __attribute_used__.
	* sysdeps/unix/sysv/linux/arm/unwind-resume.c (libgcc_s_resume):
	Likewise.
Diffstat (limited to 'stdio-common/isoc99_fscanf.c')
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