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2010-01-09re PR debug/42630 ("-fcompare-debug failure (length)" with "-O1 ↵Alexandre Oliva1-0/+9
-fvariable-expansion-in-unroller -funroll-loops") gcc/ChangeLog: PR debug/42630 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug uses in new incoming argument. Free body. (reset_debug_uses_in_loop): New. (analyze_insn_to_expand_var): Call the latter if the former found anything. Fix whitespace. Reject invalid dest overlaps before going through all insns in the loop. gcc/testsuite/ChangeLog: PR debug/42630 * gcc.dg/pr42630.c: New. From-SVN: r155764