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Diffstat (limited to 'gcc/testsuite/gcc.dg/Wstrict-overflow-3.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/Wstrict-overflow-3.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wstrict-overflow-3.c b/gcc/testsuite/gcc.dg/Wstrict-overflow-3.c new file mode 100644 index 000000000..22f6a56a9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wstrict-overflow-3.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=4" } */ + +/* Source: Ian Lance Taylor. Based on strict-overflow-2.c. */ + +/* We can only simplify the division when using strict overflow + semantics. */ + +int +foo (int i) +{ + return (i * 100) / 10; /* { dg-warning "assuming signed overflow does not occur" "correct warning" } */ +} |