diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/20020220-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/20020220-2.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/20020220-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/20020220-2.c new file mode 100644 index 000000000..95606703c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/20020220-2.c @@ -0,0 +1,12 @@ +/* PR c/4697 + Test whether operand has no effect warning is given for compound + expression. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -Wunused" } */ + +int b; +int foo (int a) +{ + a = a + 1, 5 * b; /* { dg-warning "right-hand operand of comma expression has no effect" } */ + return a; +} |