diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-22.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-22.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-22.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-22.c new file mode 100644 index 000000000..4b8438733 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wstrict-overflow-22.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=3" } */ + +/* Source: Ian Lance Taylor. Based on strict-overflow-6.c. */ + +/* We can only simplify the conditional when using strict overflow + semantics. */ + +int +foo (char* p) +{ + return p + 1000 < p; /* { dg-warning "assuming pointer wraparound does not occur" "correct warning" } */ +} |