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From: Jonathan Wakely <redi@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r11-7630] libstdc++: Fix find_type helper to work consistently Date: Thu, 11 Mar 2021 17:53:58 +0000 (GMT) [thread overview] Message-ID: <20210311175358.B4D0E3896C0A@sourceware.org> (raw) https://gcc.gnu.org/g:9dacc828bf8b087ddfaf797ed7238da45609082c commit r11-7630-g9dacc828bf8b087ddfaf797ed7238da45609082c Author: Jonathan Wakely <jwakely@redhat.com> Date: Thu Mar 11 16:48:32 2021 +0000 libstdc++: Fix find_type helper to work consistently The find_type helper function sometimes results in "class X::name" and lookup for that fails. For more details see "Problem 1" in https://gcc.gnu.org/pipermail/libstdc++/2021-March/052132.html and the example at https://sourceware.org/bugzilla/show_bug.cgi?id=27510#c2 This patch replaces typ.unqualified() with typ.tag, which is never qualified, and will never include the 'class' or 'struct' keywords. Using the .tag attribute should be safe here because we know we are looking at a class type and we've already used strip_typedefs(). libstdc++-v3/ChangeLog: * python/libstdcxx/v6/printers.py (find_type): Use tag attribute instead of unqualified() method. Diff: --- libstdc++-v3/python/libstdcxx/v6/printers.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libstdc++-v3/python/libstdcxx/v6/printers.py b/libstdc++-v3/python/libstdcxx/v6/printers.py index 00db6cb4e82..550e0ecdd22 100644 --- a/libstdc++-v3/python/libstdcxx/v6/printers.py +++ b/libstdc++-v3/python/libstdcxx/v6/printers.py @@ -85,8 +85,8 @@ except ImportError: def find_type(orig, name): typ = orig.strip_typedefs() while True: - # Strip cv-qualifiers. PR 67440. - search = '%s::%s' % (typ.unqualified(), name) + # Use Type.tag to ignore cv-qualifiers. PR 67440. + search = '%s::%s' % (typ.tag, name) try: return gdb.lookup_type(search) except RuntimeError:
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