[gcc r15-5464] testsuite: robustify gcc.target/m68k/20100512-1.c

[Andreas Schwab via Gcc-cvs]

https://gcc.gnu.org/g:ceddd28d41f0b9cc797c3568544a114d60c1ba83

commit r15-5464-gceddd28d41f0b9cc797c3568544a114d60c1ba83
Author: Andreas Schwab <sch...@suse.de>
Date:   Tue Nov 19 17:35:14 2024 +0100

    testsuite: robustify gcc.target/m68k/20100512-1.c
    
    This has been failing since r5-2883-g8cb65b3725f0c3 which caused the
    memset to be optimized out.  Add an unoptimizable reference to the local
    variable to keep it.
    
            * gcc.target/m68k/20100512-1.c (doTest1, doTest2): Add asm that
            references foo.

Diff:
---
 gcc/testsuite/gcc.target/m68k/20100512-1.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/testsuite/gcc.target/m68k/20100512-1.c 
b/gcc/testsuite/gcc.target/m68k/20100512-1.c
index d07bb519abc1..ab54a92e9652 100644
--- a/gcc/testsuite/gcc.target/m68k/20100512-1.c
+++ b/gcc/testsuite/gcc.target/m68k/20100512-1.c
@@ -9,8 +9,10 @@
 void doTest1(void) {
   volatile char foo[10];
   memset((void *)foo, 1, 100);
+  asm volatile("# %0" : : "g"(foo));
 }
 void doTest2(void) {
   volatile char foo[10];
   memset((void *)foo, 1, 100);
+  asm volatile("# %0" : : "g"(foo));
 }