https://gcc.gnu.org/g:e0025f09d80930bf6913286ef5265f65b915b7dc
commit e0025f09d80930bf6913286ef5265f65b915b7dc
Author: Thomas Schwinge <tschwi...@baylibre.com>
Date: Thu Mar 27 14:46:20 2025 +0100
Add 'std::bad_cast' exception test cases for GCN, nvptx target and OpenACC,
OpenMP 'target' offloading
gcc/testsuite/
* g++.target/gcn/exceptions-bad_cast-1.C: New.
* g++.target/nvptx/exceptions-bad_cast-1.C: Likewise.
libgomp/
* testsuite/libgomp.c++/target-exceptions-bad_cast-1.C: New.
* testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C: Likewise.
(cherry picked from commit 0e68f49db986d8d6c1eaaa96dd14f7b2a927a0d0)
Diff:
---
gcc/testsuite/ChangeLog.omp | 6 +++
.../g++.target/gcn/exceptions-bad_cast-1.C | 15 ++++++
.../g++.target/nvptx/exceptions-bad_cast-1.C | 15 ++++++
libgomp/ChangeLog.omp | 6 +++
.../libgomp.c++/target-exceptions-bad_cast-1.C | 25 ++++++++++
.../libgomp.oacc-c++/exceptions-bad_cast-1.C | 54 ++++++++++++++++++++++
6 files changed, 121 insertions(+)
diff --git a/gcc/testsuite/ChangeLog.omp b/gcc/testsuite/ChangeLog.omp
index 7a295230e79a..574ec55f9c85 100644
--- a/gcc/testsuite/ChangeLog.omp
+++ b/gcc/testsuite/ChangeLog.omp
@@ -3,6 +3,12 @@
Backported from trunk:
2025-04-14 Thomas Schwinge <tschwi...@baylibre.com>
+ * g++.target/gcn/exceptions-bad_cast-1.C: New.
+ * g++.target/nvptx/exceptions-bad_cast-1.C: Likewise.
+
+ Backported from trunk:
+ 2025-04-14 Thomas Schwinge <tschwi...@baylibre.com>
+
PR target/118794
* g++.target/gcn/exceptions-pr118794-1.C: New.
* g++.target/nvptx/exceptions-pr118794-1.C: Likewise.
diff --git a/gcc/testsuite/g++.target/gcn/exceptions-bad_cast-1.C
b/gcc/testsuite/g++.target/gcn/exceptions-bad_cast-1.C
new file mode 100644
index 000000000000..f3e30994bc7c
--- /dev/null
+++ b/gcc/testsuite/g++.target/gcn/exceptions-bad_cast-1.C
@@ -0,0 +1,15 @@
+/* 'std::bad_cast' exception. */
+
+/* { dg-do run } */
+/* Via the magic string "-std=*++" indicate that testing one (the default) C++
standard is sufficient. */
+/* { dg-additional-options -fexceptions } */
+/* { dg-additional-options -fdump-tree-optimized-raw } */
+
+#include
"../../../../libgomp/testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C"
+
+/* { dg-output {CheCKpOInT[\r\n]+} }
+
+ { dg-final { scan-tree-dump-times {gimple_call <__cxa_bad_cast, } 1
optimized } }
+ We don't print anything, but just 'abort'.
+
+ { dg-shouldfail {'std::bad_cast' exception} } */
diff --git a/gcc/testsuite/g++.target/nvptx/exceptions-bad_cast-1.C
b/gcc/testsuite/g++.target/nvptx/exceptions-bad_cast-1.C
new file mode 100644
index 000000000000..f3e30994bc7c
--- /dev/null
+++ b/gcc/testsuite/g++.target/nvptx/exceptions-bad_cast-1.C
@@ -0,0 +1,15 @@
+/* 'std::bad_cast' exception. */
+
+/* { dg-do run } */
+/* Via the magic string "-std=*++" indicate that testing one (the default) C++
standard is sufficient. */
+/* { dg-additional-options -fexceptions } */
+/* { dg-additional-options -fdump-tree-optimized-raw } */
+
+#include
"../../../../libgomp/testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C"
+
+/* { dg-output {CheCKpOInT[\r\n]+} }
+
+ { dg-final { scan-tree-dump-times {gimple_call <__cxa_bad_cast, } 1
optimized } }
+ We don't print anything, but just 'abort'.
+
+ { dg-shouldfail {'std::bad_cast' exception} } */
diff --git a/libgomp/ChangeLog.omp b/libgomp/ChangeLog.omp
index a0fdd14aaf3c..4c81b3107402 100644
--- a/libgomp/ChangeLog.omp
+++ b/libgomp/ChangeLog.omp
@@ -3,6 +3,12 @@
Backported from trunk:
2025-04-14 Thomas Schwinge <tschwi...@baylibre.com>
+ * testsuite/libgomp.c++/target-exceptions-bad_cast-1.C: New.
+ * testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C: Likewise.
+
+ Backported from trunk:
+ 2025-04-14 Thomas Schwinge <tschwi...@baylibre.com>
+
PR target/118794
* testsuite/libgomp.c++/target-exceptions-pr118794-1.C: New.
*
testsuite/libgomp.c++/target-exceptions-pr118794-1-offload-sorry-GCN.C:
diff --git a/libgomp/testsuite/libgomp.c++/target-exceptions-bad_cast-1.C
b/libgomp/testsuite/libgomp.c++/target-exceptions-bad_cast-1.C
new file mode 100644
index 000000000000..3848295fbabc
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/target-exceptions-bad_cast-1.C
@@ -0,0 +1,25 @@
+/* 'std::bad_cast' exception in OpenMP 'target' region. */
+
+/* { dg-require-effective-target exceptions }
+ { dg-additional-options -fexceptions } */
+/* { dg-additional-options -fdump-tree-optimized-raw }
+ { dg-additional-options -foffload-options=-fdump-tree-optimized-raw } */
+
+#include "../libgomp.oacc-c++/exceptions-bad_cast-1.C"
+
+/* { dg-output {CheCKpOInT[\r\n]+} }
+
+ { dg-final { scan-tree-dump-times {gimple_call <__cxa_bad_cast, } 1
optimized } }
+ { dg-final { scan-offload-tree-dump-times {gimple_call <__cxa_bad_cast, } 1
optimized } }
+ For host execution, we print something like:
+ terminate called after throwing an instance of 'std::bad_cast'
+ what(): std::bad_cast
+ Aborted (core dumped)
+ { dg-output {.*std::bad_cast} { target { ! offload_device } } }
+ For GCN, nvptx offload execution, we don't print anything, but just 'abort'.
+
+ TODO For GCN, nvptx offload execution, this currently doesn't 'abort' due to
+ the 'std::bad_cast' exception, but rather due to SIGSEGV in 'dynamic_cast';
+ PR119692.
+
+ { dg-shouldfail {'std::bad_cast' exception} } */
diff --git a/libgomp/testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C
b/libgomp/testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C
new file mode 100644
index 000000000000..05456011ca1d
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C
@@ -0,0 +1,54 @@
+/* 'std::bad_cast' exception in OpenACC compute region. */
+
+/* { dg-require-effective-target exceptions }
+ { dg-additional-options -fexceptions } */
+/* { dg-additional-options -fdump-tree-optimized-raw }
+ { dg-additional-options -foffload-options=-fdump-tree-optimized-raw } */
+
+/* See also '../libgomp.c++/target-exceptions-bad_cast-1.C'. */
+
+/* See also '../../../gcc/testsuite/g++.target/gcn/exceptions-bad_cast-1.C',
+ '../../../gcc/testsuite/g++.target/nvptx/exceptions-bad_cast-1.C'. */
+
+#include <iostream>
+
+struct C1
+{
+ virtual void f()
+ {}
+};
+
+struct C2 : C1
+{
+};
+
+int main()
+{
+ std::cerr << "CheCKpOInT\n";
+#pragma omp target
+#pragma acc serial
+ /* { dg-bogus {using 'vector_length \(32\)', ignoring 1} {} { target
openacc_nvidia_accel_selected xfail *-*-* } .-1 } */
+ {
+ C1 c1;
+ [[maybe_unused]]
+ C2 &c2 = dynamic_cast<C2 &>(c1);
+ /* 'std::bad_cast' is thrown. */
+ }
+}
+
+/* { dg-output {CheCKpOInT[\r\n]+} }
+
+ { dg-final { scan-tree-dump-times {gimple_call <__cxa_bad_cast, } 1
optimized } }
+ { dg-final { scan-offload-tree-dump-times {gimple_call <__cxa_bad_cast, } 1
optimized } }
+ For host execution, we print something like:
+ terminate called after throwing an instance of 'std::bad_cast'
+ what(): std::bad_cast
+ Aborted (core dumped)
+ { dg-output {.*std::bad_cast} { target openacc_host_selected } }
+ For GCN, nvptx offload execution, we don't print anything, but just 'abort'.
+
+ TODO For GCN, nvptx offload execution, this currently doesn't 'abort' due to
+ the 'std::bad_cast' exception, but rather due to SIGSEGV in 'dynamic_cast';
+ PR119692.
+
+ { dg-shouldfail {'std::bad_cast' exception} } */
