* [committed] analyzer: fix ICE on 'bind' that returns a struct [PR107788]
@ 2022-11-22 0:15 David Malcolm
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From: David Malcolm @ 2022-11-22 0:15 UTC (permalink / raw)
To: gcc-patches; +Cc: David Malcolm
Successfully bootstrapped & regrtested on x86_64-pc-linux-gnu.
Pushed to trunk as r13-4221-g4e4e45a4fd3411.
gcc/analyzer/ChangeLog:
PR analyzer/107788
* region-model.cc (region_model::update_for_int_cst_return):
Require that the return type be an integer type.
(region_model::update_for_nonzero_return): Likewise.
gcc/testsuite/ChangeLog:
PR analyzer/107788
* g++.dg/analyzer/fd-bind-pr107783.C: New test.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
---
gcc/analyzer/region-model.cc | 4 ++++
gcc/testsuite/g++.dg/analyzer/fd-bind-pr107783.C | 11 +++++++++++
2 files changed, 15 insertions(+)
create mode 100644 gcc/testsuite/g++.dg/analyzer/fd-bind-pr107783.C
diff --git a/gcc/analyzer/region-model.cc b/gcc/analyzer/region-model.cc
index 1d5b09a6805..e71fd41f62d 100644
--- a/gcc/analyzer/region-model.cc
+++ b/gcc/analyzer/region-model.cc
@@ -1930,6 +1930,8 @@ region_model::update_for_int_cst_return (const call_details &cd,
{
if (!cd.get_lhs_type ())
return;
+ if (TREE_CODE (cd.get_lhs_type ()) != INTEGER_TYPE)
+ return;
const svalue *result
= m_mgr->get_or_create_int_cst (cd.get_lhs_type (), retval);
if (unmergeable)
@@ -1955,6 +1957,8 @@ region_model::update_for_nonzero_return (const call_details &cd)
{
if (!cd.get_lhs_type ())
return;
+ if (TREE_CODE (cd.get_lhs_type ()) != INTEGER_TYPE)
+ return;
const svalue *zero
= m_mgr->get_or_create_int_cst (cd.get_lhs_type (), 0);
const svalue *result
diff --git a/gcc/testsuite/g++.dg/analyzer/fd-bind-pr107783.C b/gcc/testsuite/g++.dg/analyzer/fd-bind-pr107783.C
new file mode 100644
index 00000000000..eb5e23c82cf
--- /dev/null
+++ b/gcc/testsuite/g++.dg/analyzer/fd-bind-pr107783.C
@@ -0,0 +1,11 @@
+// { dg-do compile { target c++11 } }
+
+struct minus {
+} _1;
+int _2;
+struct _Bind {
+ _Bind(_Bind &);
+};
+template <typename _Func, typename _BoundArgs>
+_Bind bind(_Func, _BoundArgs &&...);
+void test01() { bind(minus(), _2, _1); }
--
2.26.3
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2022-11-22 0:15 [committed] analyzer: fix ICE on 'bind' that returns a struct [PR107788] David Malcolm
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