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Use C++17 [[fallthrough]] attribute

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This changes gdb to use the C++17 [[fallthrough]] attribute rather
than special comments.

This was mostly done by script, but I neglected a few spellings and so
also fixed it up by hand.

I suspect this fixes the bug mentioned below, by switching to a
standard approach that, presumably, clang supports.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=23159
Approved-By: John Baldwin <jhb@FreeBSD.org>
Approved-By: Luis Machado <luis.machado@arm.com>
Approved-By: Pedro Alves <pedro@palves.net>
This commit is contained in:
Tom Tromey
2023-10-15 11:09:07 -06:00
parent a0dc1f9a12
commit d182e39881
60 changed files with 140 additions and 143 deletions
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4
gdb/coffread.c
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@@ -896,7 +896,7 @@ coff_symtab_read (minimal_symbol_reader &reader,
backtraces, so filter them out (from phdm@macqel.be). */
if (within_function)
break;
/* Fall through. */
[[fallthrough]];
case C_STAT:
case C_THUMBLABEL:
case C_THUMBSTAT:
@@ -934,7 +934,7 @@ coff_symtab_read (minimal_symbol_reader &reader,
that look like this. Ignore them. */
break;
/* For static symbols that don't start with '.'... */
/* Fall through. */
[[fallthrough]];
case C_THUMBEXT:
case C_THUMBEXTFUNC:
case C_EXT: