diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/sra-1.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/sra-1.C | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/sra-1.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/sra-1.C new file mode 100644 index 000000000..e3e3918eb --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/sra-1.C @@ -0,0 +1,29 @@ +/* https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=223576 */ + +/* SRA failed to canonicalize bit-field types, introducing type + mismatches. */ + +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +struct A +{ + int a:16; + /* These dummy bit-fields are here to prevent GCC 4.2+ from merging + the bit-field compares into a single word compare, which disables + SRA. */ + int a2:16; + int a3:16; + int a4:16; + int b:8; + bool operator==(A const x) const + { + return (this->a == x.a && this->b == x.b); + } +}; + +bool +foo (A const x, A const y) +{ + return x == y; +} |