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| author | James E Wilson <wilson@specifixinc.com> | 2004-03-10 06:04:14 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 2004-03-09 22:04:14 -0800 |
| commit | 8a308d45d57953297c37fe233b61a042cb563531 (patch) | |
| tree | e3de107ca5ab570932a9334bdcd238cbee631889 /gcc/testsuite/gcc.dg/alias-2.c | |
| parent | 5399d643680b153db318cd9ef38787774eac34c4 (diff) | |
| download | gcc-8a308d45d57953297c37fe233b61a042cb563531.zip gcc-8a308d45d57953297c37fe233b61a042cb563531.tar.gz gcc-8a308d45d57953297c37fe233b61a042cb563531.tar.bz2 | |
Testsuite changes for new -Wstrict-aliasing=2 option.
* gcc.dg/alias-1.c: Add "will" to string passed to dg-warning.
* gcc.dg/alias-2.c: New testcase.
From-SVN: r79223
Diffstat (limited to 'gcc/testsuite/gcc.dg/alias-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/alias-2.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/alias-2.c b/gcc/testsuite/gcc.dg/alias-2.c new file mode 100644 index 0000000..d507416 --- /dev/null +++ b/gcc/testsuite/gcc.dg/alias-2.c @@ -0,0 +1,16 @@ +// { dg-do compile } +// { dg-options "-Wstrict-aliasing=2 -fstrict-aliasing" } + +struct foo { + char c; + char d; + short s; + int i; +} bar; + +int +sub1 (long long int foobar) +{ + struct foo *tmp = (struct foo *) &foobar; // { dg-warning "type-punned pointer might" "" } + return tmp->i; +} |