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| author | David Malcolm <dmalcolm@redhat.com> | 2023-01-31 21:18:00 -0500 |
|---|---|---|
| committer | David Malcolm <dmalcolm@redhat.com> | 2023-01-31 21:18:00 -0500 |
| commit | a90316c6ceddfbb47b3c2161baf446ccb87df5ff (patch) | |
| tree | 35ac23786f5511ba29a31ca56b4431060de9fe1a /gcc/doc | |
| parent | 317525b03ebd1db7e04a900d7a735d7a079b3821 (diff) | |
| download | gcc-a90316c6ceddfbb47b3c2161baf446ccb87df5ff.zip gcc-a90316c6ceddfbb47b3c2161baf446ccb87df5ff.tar.gz gcc-a90316c6ceddfbb47b3c2161baf446ccb87df5ff.tar.bz2 | |
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 <dmalcolm@redhat.com>
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 7 insertions, 0 deletions
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 |