diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/uninit-11.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/uninit-11.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-11.c b/gcc/testsuite/gcc.dg/uninit-11.c new file mode 100644 index 00000000000..5251f0a2a70 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-11.c @@ -0,0 +1,42 @@ +/* Positive test for uninitialized variables. */ +/* { dg-do compile } */ +/* { dg-options "-O -Wuninitialized" } */ + +int sink; + +void f1(int parm) /* { dg-bogus "uninitialized" "parameter" } */ +{ + sink = parm; /* { dg-bogus "uninitialized" "parameter" } */ +} + +void f2(void) +{ + int x; + sink = x; /* { dg-warning "is used" "unconditional" } */ +} + +void f3(int p) +{ + int x; /* { dg-warning "may be used" "conditional" } */ + if (p) + x = p; + sink = x; +} + +void f4(int p) +{ + int x; /* { dg-bogus "uninitialized" "easy if" } */ + if (p) + x = 1; + else + x = 2; + sink = x; +} + +void f5(void) +{ + int x, i; /* { dg-bogus "uninitialized" "easy loop" } */ + for (i = 0; i < 10; ++i) + x = 1; + sink = x; +} |