diff options
Diffstat (limited to 'clang/docs/SourceBasedCodeCoverage.rst')
-rw-r--r-- | clang/docs/SourceBasedCodeCoverage.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/clang/docs/SourceBasedCodeCoverage.rst b/clang/docs/SourceBasedCodeCoverage.rst index 0586f2ec846..75ab258e8fc 100644 --- a/clang/docs/SourceBasedCodeCoverage.rst +++ b/clang/docs/SourceBasedCodeCoverage.rst @@ -188,8 +188,9 @@ Format compatibility guarantees Drawbacks and limitations ========================= -* Code coverage does not handle stack unwinding in the presence of uncaught - exceptions precisely. Consider the following function: +* Code coverage does not handle unpredictable changes in control flow or stack + unwinding in the presence of exceptions precisely. Consider the following + function: .. code-block:: cpp @@ -198,6 +199,6 @@ Drawbacks and limitations return 0; } - If the function ``may_throw()`` propagates an exception into ``f``, the code + If the call to ``may_throw()`` propagates an exception into ``f``, the code coverage tool may mark the ``return`` statement as executed even though it is - not. + not. A call to ``longjmp()`` can have similar effects. |