From a90316c6ceddfbb47b3c2161baf446ccb87df5ff Mon Sep 17 00:00:00 2001 From: David Malcolm Date: Tue, 31 Jan 2023 21:18:00 -0500 Subject: doc: add notes about limitations of -fanalyzer gcc/ChangeLog: * doc/invoke.texi (Static Analyzer Options): Add notes about limitations of -fanalyzer. Signed-off-by: David Malcolm --- gcc/doc/invoke.texi | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'gcc') diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index d12f318..b45b629 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -10064,6 +10064,13 @@ code, and issues warnings for problems found on them. This analysis is much more expensive than other GCC warnings. +In technical terms, it performs coverage-guided symbolic execution of +the code being compiled. It is neither sound nor complete: it can +have false positives and false negatives. It is a bug-finding tool, +rather than a tool for proving program correctness. + +The analyzer is only suitable for use on C code in this release. + Enabling this option effectively enables the following warnings: @gccoptlist{ @gol -- cgit v1.1