diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/common/new-op.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 40fab9b..c2a8579 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2016-10-25 Pedro Alves <palves@redhat.com> + * common/new-op.c: Add comment about -fsanitize=address. + +2016-10-25 Pedro Alves <palves@redhat.com> + * common/common-defs.h (__STDC_CONSTANT_MACROS) (__STDC_LIMIT_MACROS): Define. diff --git a/gdb/common/new-op.c b/gdb/common/new-op.c index f04c5cb..1eb4f94 100644 --- a/gdb/common/new-op.c +++ b/gdb/common/new-op.c @@ -33,6 +33,12 @@ new-handler function instead (std::set_new_handler) because we want to catch allocation errors from within global constructors too. + Skip overriding if building with -fsanitize=address though. + Address sanitizer wants to override operator new/delete too in + order to detect malloc+delete and new+free mismatches. Our + versions would mask out ASan's, with the result of losing that + useful mismatch detection. + Note that C++ implementations could either have their throw versions call the nothrow versions (libstdc++), or the other way around (clang/libc++). For that reason, we replace both throw and |