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author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c | |
parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
download | toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.gz toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.bz2 toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.zip |
[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c b/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c new file mode 100644 index 000000000..b90fb76c2 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O -Wstrict-aliasing -fstrict-aliasing" } */ + +extern int flag; + +int foo() { + + int x; + int y = 9; + float* q; + float* r; + + if (flag) { + q = (float*) &x; /* { dg-message "initialized" "" { xfail *-*-* } } */ + } else { + q = (float*) &y; /* { dg-message "initialized" "" { xfail *-*-* } } */ + } + + *q = 1.0; /* { dg-warning "does break strict-aliasing" "" { xfail *-*-* } } */ + + return x; + +} |