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| author | Tom de Vries <tom@codesourcery.com> | 2012-01-27 10:38:34 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2012-01-27 10:38:34 +0000 |
| commit | 10c7477699e2d8906204293e15c64b34d1e62231 (patch) | |
| tree | 417089317dbfa4512947c7a5adafddfec9bce5c6 | |
| parent | 842679dc9f6a1398bc192a85401913608ccc967a (diff) | |
| download | gcc-10c7477699e2d8906204293e15c64b34d1e62231.zip gcc-10c7477699e2d8906204293e15c64b34d1e62231.tar.gz gcc-10c7477699e2d8906204293e15c64b34d1e62231.tar.bz2 | |
re PR tree-optimization/51990 (ICE in copy_reference_ops_from_ref)
2012-01-27 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/51990
* gcc.dg/pr51990.c: New test.
* gcc.dg/pr51990-2.c: Same.
From-SVN: r183615
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr51990-2.c | 32 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr51990.c | 23 |
3 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index f08fb6c..58311bc 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2012-01-27 Tom de Vries <tom@codesourcery.com> + + PR tree-optimization/51990 + * gcc.dg/pr51990.c: New test. + * gcc.dg/pr51990-2.c: Same. + 2012-01-27 Paul Thomas <pault@gcc.gnu.org> Tobias Burnus <burnus@gcc.gnu.org> diff --git a/gcc/testsuite/gcc.dg/pr51990-2.c b/gcc/testsuite/gcc.dg/pr51990-2.c new file mode 100644 index 0000000..1ced0a8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr51990-2.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +int y; +extern int foo (int, ...) __attribute__((pure)); + +int +zzz (char *s1, char *s2, int len, int *q, int c) +{ + int z = 5; + unsigned int i, b; + struct s { char a[z]; }; + struct s x; + int y_tmp = 5; + + for (i = 0; i < len; i++) + s1[i] = s2[i]; + + b = z & 0x3; + + len += (b == 0 ? 0 : 1) + z; + + *q = len; + + if (c) + y_tmp = foo (z, x, x) + 4; + + z = foo (z, x, x) + 4; + y = y_tmp; + + return z; +} diff --git a/gcc/testsuite/gcc.dg/pr51990.c b/gcc/testsuite/gcc.dg/pr51990.c new file mode 100644 index 0000000..c7d1b53 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr51990.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +int +zzz (char *s1, char *s2, int len, int *q) +{ + int z = 5; + unsigned int i, b; + struct s { char a[z]; }; + struct s x; + + extern int foo (int, ...) __attribute__((pure)); + + for (i = 0; i < len; i++) + s1[i] = s2[i]; + + b = z & 0x3; + + len += (b == 0 ? 0 : 1) + z; + + *q = len; + return foo (z, x, x); +} |