d98b7a16a9
This fixes PR 17106, a regression in printing. The bug is that resolve_dynamic_type follows struct members and references, but doesn't consider the possibility of infinite recursion. This patch fixes the problem by limiting reference following to the topmost layer of calls -- that is, reference-typed struct members are never considered as being VLAs. Built and regtested on x86-64 Fedora 20. New test case included. 2014-07-14 Tom Tromey <tromey@redhat.com> PR exp/17106: * gdbtypes.c (is_dynamic_type_internal): New function, from is_dynamic_type. (is_dynamic_type): Rewrite. (resolve_dynamic_union): Use resolve_dynamic_type_internal. (resolve_dynamic_struct): Likewise. (resolve_dynamic_type_internal): New function, from resolve_dynamic_type. (resolve_dynamic_type): Rewrite. 2014-07-14 Tom Tromey <tromey@redhat.com> * gdb.cp/vla-cxx.cc: New file. * gdb.cp/vla-cxx.exp: New file.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2014 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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struct container;
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struct element
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{
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container &c;
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element(container &cc) : c (cc) { }
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};
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struct container
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{
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element e;
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container() : e(*this) { }
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};
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int main(int argc, char **argv)
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{
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int z = 3;
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// Note that this is a GNU extension.
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int vla[z];
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typeof (vla) &vlaref (vla);
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typedef typeof (vla) &vlareftypedef;
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vlareftypedef vlaref2 (vla);
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container c;
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for (int i = 0; i < z; ++i)
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vla[i] = 5 + 2 * i;
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// vlas_filled
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return vla[2];
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}
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