PR tree-optimization/42645
	* tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
	(remap_ssa_name): If processing_debug_stmt and name wasn't found in
	decl_map, set processing_debug_stmt to -1 and return name without
	any remapping.

	* g++.dg/other/pr42645-1.C: New test.
	* g++.dg/other/pr42645-2.C: New test.

From-SVN: r155830