diff options
| author | David Malcolm <dmalcolm@redhat.com> | 2024-02-27 08:36:58 -0500 |
|---|---|---|
| committer | David Malcolm <dmalcolm@redhat.com> | 2024-02-27 08:36:58 -0500 |
| commit | 43ad6ce60108acc822efcd394b75e270c1996cb5 (patch) | |
| tree | b2244128876b010e77163ff0aee3187950457710 /gcc/analyzer | |
| parent | a82ecdeacf83996321de5312522b0cc961e02a95 (diff) | |
| download | gcc-43ad6ce60108acc822efcd394b75e270c1996cb5.zip gcc-43ad6ce60108acc822efcd394b75e270c1996cb5.tar.gz gcc-43ad6ce60108acc822efcd394b75e270c1996cb5.tar.bz2 | |
analyzer: fix ICE on floating-point bounds [PR111881]
gcc/analyzer/ChangeLog:
PR analyzer/111881
* constraint-manager.cc (bound::ensure_closed): Assert that
m_constant has integral type.
(range::add_bound): Bail out on floating point constants.
gcc/testsuite/ChangeLog:
PR analyzer/111881
* c-c++-common/analyzer/conditionals-pr111881.c: New test.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
Diffstat (limited to 'gcc/analyzer')
| -rw-r--r-- | gcc/analyzer/constraint-manager.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/analyzer/constraint-manager.cc b/gcc/analyzer/constraint-manager.cc index e8bcabe..a380b95 100644 --- a/gcc/analyzer/constraint-manager.cc +++ b/gcc/analyzer/constraint-manager.cc @@ -124,10 +124,12 @@ bound::ensure_closed (enum bound_kind bound_kind) For example, convert 3 < x into 4 <= x, and convert x < 5 into x <= 4. */ gcc_assert (CONSTANT_CLASS_P (m_constant)); + gcc_assert (INTEGRAL_TYPE_P (TREE_TYPE (m_constant))); m_constant = fold_build2 (bound_kind == BK_UPPER ? MINUS_EXPR : PLUS_EXPR, TREE_TYPE (m_constant), m_constant, integer_one_node); gcc_assert (CONSTANT_CLASS_P (m_constant)); + gcc_assert (INTEGRAL_TYPE_P (TREE_TYPE (m_constant))); m_closed = true; } } @@ -306,6 +308,10 @@ range::above_upper_bound (tree rhs_const) const bool range::add_bound (bound b, enum bound_kind bound_kind) { + /* Bail out on floating point constants. */ + if (!INTEGRAL_TYPE_P (TREE_TYPE (b.m_constant))) + return true; + b.ensure_closed (bound_kind); switch (bound_kind) |