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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 2837096..7378a2e 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -5463,7 +5463,8 @@ instead. This option enables pointer checking. Particularly, the application built with this option turned on will issue an error message when it tries to dereference a NULL pointer, or if a reference (possibly an -rvalue reference) is bound to a NULL pointer. +rvalue reference) is bound to a NULL pointer, or if a method is invoked +on an object pointed by a NULL pointer. @item -fsanitize=return @opindex fsanitize=return @@ -5490,6 +5491,13 @@ This option enables instrumentation of array bounds. Various out of bounds accesses are detected. Flexible array members and initializers of variables with static storage are not instrumented. +@item -fsanitize=alignment +@opindex fsanitize=alignment + +This option enables checking of alignment of pointers when they are +dereferenced, or when a reference is bound to insufficiently aligned target, +or when a method or constructor is invoked on insufficiently aligned object. + @item -fsanitize=float-divide-by-zero @opindex fsanitize=float-divide-by-zero Detect floating-point division by zero. Unlike other similar options, |