diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-7.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-7.C | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-7.C b/gcc-4.9/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-7.C new file mode 100644 index 000000000..71ed6cae8 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-7.C @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-Wstrict-aliasing=2 -O2" } */ + +int a[2]; + +double *foo1(void) +{ + return (double *)a; /* { dg-warning "strict-aliasing" } */ +} + +double *foo2(void) +{ + return (double *)&a[0]; /* { dg-warning "strict-aliasing" } */ +} + +__complex__ double x; +int *bar(void) +{ + return (int *)&__imag__ x; /* { dg-warning "strict-aliasing" } */ +} |