[gcc r15-3444] Add 'gcc.target/nvptx/alias-weak-1.c'

[Thomas Schwinge via Gcc-cvs]

https://gcc.gnu.org/g:2267d254eb6ad782cef7b462f2bb2128bc8ace30

commit r15-3444-g2267d254eb6ad782cef7b462f2bb2128bc8ace30
Author: Thomas Schwinge <tschwi...@baylibre.com>
Date:   Wed Sep 4 09:58:32 2024 +0200

    Add 'gcc.target/nvptx/alias-weak-1.c'
    
    ... testing for the GCC/nvptx "weak alias definitions not supported" error
    diagnostic (limitation of PTX).
    
            gcc/testsuite/
            * gcc.target/nvptx/alias-weak-1.c: New.

Diff:
---
 gcc/testsuite/gcc.target/nvptx/alias-weak-1.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gcc/testsuite/gcc.target/nvptx/alias-weak-1.c 
b/gcc/testsuite/gcc.target/nvptx/alias-weak-1.c
new file mode 100644
index 00000000000..37d9543fc7f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/nvptx/alias-weak-1.c
@@ -0,0 +1,10 @@
+/* { dg-do compile } */
+/* { dg-add-options ptx_alias } */
+
+void __f ()
+{
+}
+
+void f () __attribute__ ((weak, alias ("__f")));
+/* { dg-error {weak alias definitions not supported} {} { target *-*-* } .-1 }
+   (limitation of PTX).  */