backport: re PR tree-optimization/55755 (Invalid VIEW_CONVERT_EXPR produced by SRA)

backport: re PR tree-optimization/55755 (Invalid VIEW_CONVERT_EXPR produced by SRA)

2013-01-24  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2013-01-04  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55755
	* tree-sra.c (sra_modify_assign): Do not check that an access has no
	children when trying to avoid producing a VIEW_CONVERT_EXPR.

testsuite/
	* gcc.dg/torture/pr55755.c: New test.
	* gcc.dg/tree-ssa/sra-13.c: Likewise.
	* gcc.dg/tree-ssa/pr45144.c: Update.

From-SVN: r195429