hans added a subscriber: hans.
hans added a comment.
I tried to printf debug with this patch:
Index: lib/sanitizer_common/sanitizer_suppressions.cc
===================================================================
--- lib/sanitizer_common/sanitizer_suppressions.cc (revision 257931)
+++ lib/sanitizer_common/sanitizer_suppressions.cc (working copy)
@@ -82,6 +82,7 @@
return false;
for (uptr i = 0; i < suppressions_.size(); i++) {
Suppression &cur = suppressions_[i];
+ Printf("matching cur.templ='%s' against str='%s'\n", cur.templ, str);
if (0 == internal_strcmp(cur.type, type) && TemplateMatch(cur.templ,
str))
{
*s = &cur;
return true;
@@ -134,6 +135,8 @@
s.templ[end2 - line] = 0;
suppressions_.push_back(s);
has_suppression_type_[type] = true;
+ Printf("suppression type: %s\n", suppression_types_[type]);
+ Printf("template: %s\n", s.templ);
}
if (end[0] == 0)
break;
Index: lib/sanitizer_common/sanitizer_flag_parser.cc
===================================================================
--- lib/sanitizer_common/sanitizer_flag_parser.cc (revision 257931)
+++ lib/sanitizer_common/sanitizer_flag_parser.cc (working copy)
@@ -97,6 +97,8 @@
value = ll_strndup(buf_ + value_start, pos_ - value_start);
}
+ Printf("parsed flag: '%s' = '%s'\n", name, value);
+
bool res = run_handler(name, value);
if (!res) fatal_error("Flag parsing failed.");
}
Maybe it's failing to symbolize the do_overflow function name? It looks like
it's never trying to match it against the suppressions, instead it's trying to
match the null string twice for some reason:
Command 7 Stderr:
parsed flag: 'halt_on_error' = '1'
parsed flag: 'suppressions' =
'D:\src\chromium\src\third_party\llvm-bootstrap\pr
ojects\compiler-rt\test\ubsan\Standalone-x86_64\TestCases\Integer\Output\suppres
sions.cpp.tmp.func-supp'
suppression type: unsigned-integer-overflow
template: do_overflow
matching cur.templ='do_overflow' against
str='D:\src\chromium\src\third_party\ll
vm\projects\compiler-rt\test\ubsan\TestCases\Integer\suppressions.cpp'
matching cur.templ='do_overflow' against
str='D:\src\chromium\src\third_party\ll
vm-bootstrap\projects\compiler-rt\test\ubsan\Standalone-x86_64\TestCases\Integer
\Output\suppressions.cpp.tmp'
matching cur.templ='do_overflow' against str='<null>'
matching cur.templ='do_overflow' against str='<null>'
D:\src\chromium\src\third_party\llvm\projects\compiler-rt\test\ubsan\TestCases\I
nteger\suppressions.cpp:25:44: runtime error: unsigned integer overflow:
1000000
0000000000000 + 9000000000000000000 cannot be represented in type 'unsigned
long
long'
Repository:
rL LLVM
http://reviews.llvm.org/D15363
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
