From cbd0fe22a5ced9751d2450dc4fd6fe3525c2fc02 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Wed, 15 Nov 2023 09:17:49 +0000
Subject: [PATCH] libstdc++: std::stacktrace tweaks
Fix a typo in a string literal and make the new hash.cc test gracefully
handle missing stacktrace data (see PR 112541).
libstdc++-v3/ChangeLog:
* include/std/stacktrace (basic_stacktrace::at): Fix class name
in exception message.
* testsuite/19_diagnostics/stacktrace/hash.cc: Do not fail if
current() returns a non-empty stacktrace.
---
libstdc++-v3/include/std/stacktrace | 2 +-
libstdc++-v3/testsuite/19_diagnostics/stacktrace/hash.cc | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/libstdc++-v3/include/std/stacktrace b/libstdc++-v3/include/std/stacktrace
index 9a0d0b160687..9d5f6396aed5 100644
--- a/libstdc++-v3/include/std/stacktrace
+++ b/libstdc++-v3/include/std/stacktrace
@@ -425,7 +425,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
at(size_type __n) const
{
if (__n >= size())
- __throw_out_of_range("basic_stack_trace::at: bad frame number");
+ __throw_out_of_range("basic_stacktrace::at: bad frame number");
return begin()[__n];
}
diff --git a/libstdc++-v3/testsuite/19_diagnostics/stacktrace/hash.cc b/libstdc++-v3/testsuite/19_diagnostics/stacktrace/hash.cc
index 88831efd6879..21705098ff0f 100644
--- a/libstdc++-v3/testsuite/19_diagnostics/stacktrace/hash.cc
+++ b/libstdc++-v3/testsuite/19_diagnostics/stacktrace/hash.cc
@@ -12,9 +12,10 @@ test_hash()
using Alloc = __gnu_test::uneq_allocator<std::stacktrace_entry>;
using S = std::basic_stacktrace<Alloc>;
S s;
+ S cur = S::current();
std::size_t h = std::hash<S>()(s);
- std::size_t h2 = std::hash<S>()(S::current());
- VERIFY( h != h2 );
+ std::size_t h2 = std::hash<S>()(cur);
+ VERIFY( cur.empty() == (h == h2) );
}
int main()
--
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