gimplify.c (gimplify_modify_expr): When assigning to volatiles, copy the src…
gimplify.c (gimplify_modify_expr): When assigning to volatiles, copy the src value and return a copy. gcc/ * gimplify.c (gimplify_modify_expr): When assigning to volatiles, copy the src value and return a copy. * doc/extend.texi (Volatiles): Move from C++ to C and expand. (C++ Volatiles): Adjust to describe C++ semantics only. gcc/testsuite/ * gcc.target/i386/volatile-2.c: New. From-SVN: r163400
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gcc/testsuite/gcc.target/i386/volatile-2.c
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