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| author | Richard Biener <rguenther@suse.de> | 2019-06-21 13:56:54 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-06-21 13:56:54 +0000 |
| commit | 050e182a757bdf227a7e2425f06f9e2fd4dff8cb (patch) | |
| tree | 066a78d41879709dcfd6acba5464f79e1bc6cb7e /gcc/dwarf2out.c | |
| parent | b614fca25fac28542b8c6b2df3862688b96e0581 (diff) | |
| download | gcc-050e182a757bdf227a7e2425f06f9e2fd4dff8cb.zip gcc-050e182a757bdf227a7e2425f06f9e2fd4dff8cb.tar.gz gcc-050e182a757bdf227a7e2425f06f9e2fd4dff8cb.tar.bz2 | |
re PR debug/90914 (ICE in schedule_generic_params_dies_gen, at dwarf2out.c:27153)
2019-06-21 Richard Biener <rguenther@suse.de>
PR debug/90914
* dwarf2out.c (prune_unused_types_walk): Always consider
function-local extern declarations as used.
* g++.dg/debug/pr90914.C: New testcase.
From-SVN: r272547
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 960d9be..6a85c12 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -29419,9 +29419,16 @@ prune_unused_types_walk (dw_die_ref die) break; /* premark_used_variables marks external variables --- don't mark - them here. */ + them here. But function-local externals are always considered + used. */ if (get_AT (die, DW_AT_external)) - return; + { + for (c = die->die_parent; c; c = c->die_parent) + if (c->die_tag == DW_TAG_subprogram) + break; + if (!c) + return; + } } /* FALLTHROUGH */ |