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* [gcc r14-9037] c++: Add testcase for this PR [PR97990]
@ 2024-02-16 19:01 Andrew Pinski
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From: Andrew Pinski @ 2024-02-16 19:01 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5f1438db419c9eb8901d1d1d7f98fb69082aec8e
commit r14-9037-g5f1438db419c9eb8901d1d1d7f98fb69082aec8e
Author: Andrew Pinski <quic_apinski@quicinc.com>
Date: Fri Feb 16 10:55:43 2024 -0800
c++: Add testcase for this PR [PR97990]
This testcase was fixed by r14-5934-gf26d68d5d128c8 but we should add
one to make sure it does not regress again.
Committed as obvious after a quick test on the testcase.
PR c++/97990
gcc/testsuite/ChangeLog:
* g++.dg/torture/vector-struct-1.C: New test.
Signed-off-by: Andrew Pinski <quic_apinski@quicinc.com>
Diff:
---
gcc/testsuite/g++.dg/torture/vector-struct-1.C | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/testsuite/g++.dg/torture/vector-struct-1.C b/gcc/testsuite/g++.dg/torture/vector-struct-1.C
new file mode 100644
index 000000000000..e2747417e2d5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/vector-struct-1.C
@@ -0,0 +1,18 @@
+/* PR c++/97990 */
+/* This used to crash with lto and strict aliasing enabled as the
+ vector type variant still had TYPE_ALIAS_SET set on it. */
+
+typedef __attribute__((__vector_size__(sizeof(short)))) short TSimd;
+TSimd hh(int);
+struct y6
+{
+ TSimd VALUE;
+ ~y6();
+};
+template <class T1,class T2>
+auto f2(T1 p1, T2){
+ return hh(p1) <= 0;
+}
+void f1(){
+ f2(0, y6{});
+}
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