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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2015-01-23 11:16:49 -0500
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2015-01-24 08:38:39 -0500
commit0e87343e204b44468ffad0ec5dc8c8d6068f1227 (patch)
tree9d8fec4386efad530b94e129c8549ff4342cc959 /ChangeLog.4
parent972af9e8ddd870cabf8aad39b28a6e352c9cc79c (diff)
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powerpc: Fix ifuncmain6pie failure with GCC 4.9
This patch fix the elf/ifuncmain6pie failure when building with GCC
4.9+.  For some reason, the compiler removes the branch taken code at
resolve_ifunc (sysdeps/powerpc/powerpc64/dl-machine.h) as dead-code
and thus the testcase fails because the ifunc resolves branches to an
invalid memory location.  It fixes by explicit adding a dependency of
value based on odp variable to avoid compiler optimization.

It fixes BZ#17868.
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