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| author | Martin Jambor <mjambor@suse.cz> | 2012-01-09 20:52:06 +0100 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2012-01-09 20:52:06 +0100 |
| commit | 96db41219623d27be681d27eb3c577ad0d2daaf2 (patch) | |
| tree | 9e2af5d43695fb783d72152a2c4cae2e111aeecb | |
| parent | ef2be24905e5133c356ffc606560954df3874bd1 (diff) | |
| download | gcc-96db41219623d27be681d27eb3c577ad0d2daaf2.zip gcc-96db41219623d27be681d27eb3c577ad0d2daaf2.tar.gz gcc-96db41219623d27be681d27eb3c577ad0d2daaf2.tar.bz2 | |
re PR tree-optimization/51759 (miscompile writes past end of bitfield)
2012-01-09 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/51759
* g++.dg/ipa/pr51759.C: New test.
From-SVN: r183029
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ipa/pr51759.C | 26 |
2 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 565aec5..8b2f465 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-01-09 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/51759 + * g++.dg/ipa/pr51759.C: New test. + 2012-01-09 Tobias Burnus <burnus@net-b.de> PR fortran/51758 diff --git a/gcc/testsuite/g++.dg/ipa/pr51759.C b/gcc/testsuite/g++.dg/ipa/pr51759.C new file mode 100644 index 0000000..accfaf2 --- /dev/null +++ b/gcc/testsuite/g++.dg/ipa/pr51759.C @@ -0,0 +1,26 @@ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +extern "C" void abort (void); +struct S +{ + void __attribute__((noinline)) set(unsigned val) + { + data = val; + if (data != val) + abort (); + } + int pad0; + unsigned pad1 : 8; + unsigned data : 24; + int pad2; +}; +int main() +{ + S s; + s.pad2 = -1; + s.set(0); + if (s.pad2 != -1) + abort (); +} + |