gcc/c-family/
	* c-common.c, c-format.c, c-omp.c, c-pretty-print.c: Replace
	tree_low_cst (..., 0) with tree_to_shwi throughout.

gcc/c/
	* c-parser.c: Replace tree_low_cst (..., 0) with tree_to_shwi
	throughout.

gcc/cp/
	* class.c, dump.c, error.c, init.c, method.c, parser.c, semantics.c:
	Replace tree_low_cst (..., 0) with tree_to_shwi throughout.

gcc/go/
	* gofrontend/expressions.cc: Replace tree_low_cst (..., 0) with
	tree_to_shwi throughout.

gcc/java/
	* class.c, expr.c: Replace tree_low_cst (..., 0) with tree_to_shwi
	throughout.

gcc/objc/
	* objc-next-runtime-abi-02.c: Replace tree_low_cst (..., 0) with
	tree_to_shwi throughout.

gcc/
	* builtins.c, cilk-common.c, config/aarch64/aarch64.c,
	config/alpha/alpha.c, config/arm/arm.c, config/c6x/predicates.md,
	config/i386/i386.c, config/ia64/predicates.md, config/s390/s390.c,
	coverage.c, dbxout.c, dwarf2out.c, except.c, explow.c, expr.c, expr.h,
	fold-const.c, gimple-fold.c, godump.c, ipa-prop.c, omp-low.c,
	predict.c, rtlanal.c, sdbout.c, stmt.c, stor-layout.c, targhooks.c,
	tree-cfg.c, tree-data-ref.c, tree-inline.c, tree-ssa-forwprop.c,
	tree-ssa-loop-prefetch.c, tree-ssa-phiopt.c, tree-ssa-sccvn.c,
	tree-ssa-strlen.c, tree-stdarg.c, tree-vect-data-refs.c,
	tree-vect-patterns.c, tree.c, tree.h, var-tracking.c, varasm.c:
	Replace tree_low_cst (..., 0) with tree_to_shwi throughout.

From-SVN: r204959