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ff191ddf80
When building with this clang:
$ c++ --version
FreeBSD clang version 16.0.6 (https://github.com/llvm/llvm-project.git llvmorg-16.0.6-0-g7cbf1a259152)
I see:
$ gmake
CXX dwarf2/read.o
/home/smarchi/src/binutils-gdb/gdb/dwarf2/read.c:4890:6: error: moving a temporary object prevents copy elision [-Werror,-Wpessimizing-move]
std::move (thread_storage.release_parent_map ()));
^
/home/smarchi/src/binutils-gdb/gdb/dwarf2/read.c:4890:6: note: remove std::move call here
std::move (thread_storage.release_parent_map ()));
^~~~~~~~~~~ ~
The compiler seems right, there is not need to std::move the result of
`release_parent_map ()`, it's already going to be an rvalue. Remove the
std::move.
The issue isn't FreeBSD-specific, I see it on Linux as well when
building hwith clang, I just noticed it on a FreeBSD build first.
Change-Id: I7aa20a4db56c799f20d838ad08099a01653bba19
Approved-By: Tom Tromey <tom@tromey.com>
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|---|---|---|
| .. | ||
| abbrev-cache.c | ||
| abbrev-cache.h | ||
| abbrev.c | ||
| abbrev.h | ||
| ada-imported.c | ||
| aranges.c | ||
| aranges.h | ||
| attribute.c | ||
| attribute.h | ||
| call-site.h | ||
| comp-unit-head.c | ||
| comp-unit-head.h | ||
| cooked-index.c | ||
| cooked-index.h | ||
| cu.c | ||
| cu.h | ||
| die.c | ||
| die.h | ||
| dwz.c | ||
| dwz.h | ||
| expr.c | ||
| expr.h | ||
| file-and-dir.h | ||
| frame-tailcall.c | ||
| frame-tailcall.h | ||
| frame.c | ||
| frame.h | ||
| index-cache.c | ||
| index-cache.h | ||
| index-common.c | ||
| index-common.h | ||
| index-write.c | ||
| index-write.h | ||
| leb.c | ||
| leb.h | ||
| line-header.c | ||
| line-header.h | ||
| loc.c | ||
| loc.h | ||
| macro.c | ||
| macro.h | ||
| mapped-index.h | ||
| parent-map.h | ||
| public.h | ||
| read-debug-names.c | ||
| read-debug-names.h | ||
| read-gdb-index.c | ||
| read-gdb-index.h | ||
| read.c | ||
| read.h | ||
| sect-names.h | ||
| section.c | ||
| section.h | ||
| stringify.c | ||
| stringify.h | ||
| tag.h | ||
| types.h | ||