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Diffstat (limited to 'clang/docs')
| -rw-r--r-- | clang/docs/UsersManual.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst index 5c1646f531c..d7554a74252 100644 --- a/clang/docs/UsersManual.rst +++ b/clang/docs/UsersManual.rst @@ -1097,6 +1097,13 @@ are listed below. the behavior of sanitizers in the ``cfi`` group to allow checking of cross-DSO virtual and indirect calls. + +.. option:: -fstrict-vtable-pointers + Enable optimizations based on the strict rules for overwriting polymorphic + C++ objects, i.e. the vptr is invariant during an object's lifetime. + This enables better devirtualization. Turned off by default, because it is + still experimental. + .. option:: -ffast-math Enable fast-math mode. This defines the ``__FAST_MATH__`` preprocessor |
