diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C')
-rw-r--r-- | gcc/testsuite/g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C new file mode 100644 index 000000000..103248da4 --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -Wstrict-aliasing -fstrict-aliasing" } */ + + +int foo() { + int x; + float& q = reinterpret_cast<float&> (x); /* { dg-message "dereferencing type-punned" "" { target *-*-* } } */ + q = 1.0; /* { dg-warning "does break strict-aliasing" "" { xfail *-*-* } } */ + return x; +} + +/* { dg-message "initialized" "" { xfail *-*-* } 7 } */ |