diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/ubsan/pr81981.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/ubsan/pr81981.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ubsan/pr81981.c b/gcc/testsuite/gcc.dg/ubsan/pr81981.c new file mode 100644 index 00000000000..b2636d4c934 --- /dev/null +++ b/gcc/testsuite/gcc.dg/ubsan/pr81981.c @@ -0,0 +1,21 @@ +/* PR sanitizer/81981 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -Wmaybe-uninitialized -fsanitize=undefined -ffat-lto-objects" } */ + +int v; + +int +foo (int i) +{ + int t[1], u[1]; + int n = 0; + + if (i) + { + t[n] = i; + u[0] = i; + } + + v = u[0]; /* { dg-warning "may be used uninitialized in this function" } */ + return t[0]; /* { dg-warning "may be used uninitialized in this function" } */ +} |