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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org> To: gdb-prs@sourceware.org Subject: [Bug exp/26875] Incorrect value printed for address of first element of zero-length array Date: Fri, 13 Nov 2020 10:33:44 +0000 [thread overview] Message-ID: <bug-26875-4717-fIyzqXdfGv@http.sourceware.org/bugzilla/> (raw) In-Reply-To: <bug-26875-4717@http.sourceware.org/bugzilla/> https://sourceware.org/bugzilla/show_bug.cgi?id=26875 --- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> --- Tentative patch (not taking side-effects into account yet): ... diff --git a/gdb/eval.c b/gdb/eval.c index 8d0c5747f39..69262340c8f 100644 --- a/gdb/eval.c +++ b/gdb/eval.c @@ -2814,6 +2814,18 @@ evaluate_subexp_for_address (struct expression *exp, int *pos, switch (op) { + case BINOP_SUBSCRIPT: + { + int pos_base = *pos + 1; + struct value *base + = evaluate_subexp (nullptr, exp, &pos_base, noside); + int pos_index = pos_base; + struct value * index + = evaluate_subexp (nullptr, exp, &pos_index, noside); + if (value_equal (index, value_zero (value_type (index), not_lval))) + return base; + } + goto default_case; case UNOP_IND: (*pos)++; x = evaluate_subexp (nullptr, exp, pos, noside); ... -- You are receiving this mail because: You are on the CC list for the bug.
next prev parent reply other threads:[~2020-11-13 10:33 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-13 9:32 [Bug exp/26875] New: " vries at gcc dot gnu.org 2020-11-13 10:33 ` vries at gcc dot gnu.org [this message] 2020-11-13 10:53 ` [Bug exp/26875] " vries at gcc dot gnu.org 2020-11-13 14:47 ` vries at gcc dot gnu.org 2020-11-13 16:52 ` vries at gcc dot gnu.org 2020-11-14 11:45 ` vries at gcc dot gnu.org 2020-11-14 12:04 ` vries at gcc dot gnu.org 2020-11-20 18:00 ` simark at simark dot ca 2020-11-20 18:03 ` simark at simark dot ca 2020-11-20 18:07 ` simark at simark dot ca 2020-11-20 18:17 ` simark at simark dot ca 2020-11-20 22:16 ` vries at gcc dot gnu.org 2020-11-20 22:25 ` simark at simark dot ca 2020-11-23 16:25 ` simark at simark dot ca 2020-12-09 18:53 ` cvs-commit at gcc dot gnu.org 2020-12-09 21:34 ` cvs-commit at gcc dot gnu.org 2020-12-09 22:11 ` simark at simark dot ca 2021-10-13 14:22 ` vries at gcc dot gnu.org
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