re PR debug/86456 (Segfault in switch_to_section at gcc/varasm.c:7353 since r259317)
2018-07-17 Richard Biener <rguenther@suse.de> PR lto/86456 * dwarf2out.c (init_sections_and_labels): Always generate a debug_line_str_section for early LTO debug. (dwarf2out_finish): Reset debug_line_str_hash output early. Bump counter for extra dwarf5 .debug_loc labels to not conflict with fat LTO part. (dwarf2out_early_finish): Output debug_line_str. * g++.dg/debug/dwarf2/pr86456.C: New testcase. From-SVN: r262819
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gcc/testsuite/g++.dg/debug/dwarf2/pr86456.C
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