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| author | Scott Snyder <snyder@fnal.gov> | 2002-02-19 20:02:16 +0000 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2002-02-19 15:02:16 -0500 |
| commit | b1c1a22fb269af88df292d3770595215206f947f (patch) | |
| tree | 77b3e82a8f3bdacf1a50fa522f3943dcf4a85824 /libiberty/cplus-dem.c | |
| parent | 6d1def5c667f516b4e7c0d8445c7598fb060e88f (diff) | |
| download | gcc-b1c1a22fb269af88df292d3770595215206f947f.zip gcc-b1c1a22fb269af88df292d3770595215206f947f.tar.gz gcc-b1c1a22fb269af88df292d3770595215206f947f.tar.bz2 | |
demangle-expected: Add test case for infinite loop in demangler.
* testsuite/demangle-expected: Add test case for infinite loop in
demangler.
* cplus-dem.c (demangle_arm_hp_template): Stop trying to demangle
if do_type() doesn't make any progress --- prevents an infinite
loop.
From-SVN: r49875
Diffstat (limited to 'libiberty/cplus-dem.c')
| -rw-r--r-- | libiberty/cplus-dem.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libiberty/cplus-dem.c b/libiberty/cplus-dem.c index 710b69d..203e30d 100644 --- a/libiberty/cplus-dem.c +++ b/libiberty/cplus-dem.c @@ -2414,8 +2414,15 @@ demangle_arm_hp_template (work, mangled, n, declp) break; default: /* Not handling other HP cfront stuff */ - if (!do_type (work, &args, &arg)) - goto cfront_template_args_done; + { + const char* old_args = args; + if (!do_type (work, &args, &arg)) + goto cfront_template_args_done; + + /* Fail if we didn't make any progress: prevent infinite loop. */ + if (args == old_args) + return; + } } string_appends (declp, &arg); string_append (declp, ","); |