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merge from gcc

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This commit is contained in:
DJ Delorie 2008-03-31 18:11:50 +00:00
parent 3a3b672568
commit dddc49b73b
2 changed files with 15 additions and 6 deletions
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5
libiberty/ChangeLog
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@ -1,3 +1,8 @@
2008-03-31 Ian Lance Taylor <iant@google.com>
* cp-demangle.c (d_substitution): Correct overflow check to avoid
-fstrict-overflow optimizations.
2008-03-27 Paolo Bonzini <bonzini@gnu.org>
* configure.ac (frags): Don't set, use frag instead.

16
libiberty/cp-demangle.c
View File

@ -1,5 +1,6 @@
/* Demangler for g++ V3 ABI.
Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
Written by Ian Lance Taylor <ian@wasabisystems.com>.
This file is part of the libiberty library, which is part of GCC.
@ -2681,21 +2682,24 @@ d_substitution (struct d_info *di, int prefix)
c = d_next_char (di);
if (c == '_' || IS_DIGIT (c) || IS_UPPER (c))
{
int id;
unsigned int id;
id = 0;
if (c != '_')
{
do
{
unsigned int new_id;
if (IS_DIGIT (c))
id = id * 36 + c - '0';
new_id = id * 36 + c - '0';
else if (IS_UPPER (c))
id = id * 36 + c - 'A' + 10;
new_id = id * 36 + c - 'A' + 10;
else
return NULL;
if (id < 0)
if (new_id < id)
return NULL;
id = new_id;
c = d_next_char (di);
}
while (c != '_');
@ -2703,7 +2707,7 @@ d_substitution (struct d_info *di, int prefix)
++id;
}
if (id >= di->next_sub)
if (id >= (unsigned int) di->next_sub)
return NULL;
++di->did_subs;