diff options
| author | Richard Biener <rguenther@suse.de> | 2013-03-01 12:29:39 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-03-01 12:29:39 +0000 |
| commit | d3e1a77949b9b0e992ca6a118a3103929f745986 (patch) | |
| tree | 963f2401f3e387a9c7df655de57f46bf3fee3c32 /gcc | |
| parent | 76c1a7ec3da05e9a249c9ccdda28c44778cd1a3f (diff) | |
| download | gcc-d3e1a77949b9b0e992ca6a118a3103929f745986.zip gcc-d3e1a77949b9b0e992ca6a118a3103929f745986.tar.gz gcc-d3e1a77949b9b0e992ca6a118a3103929f745986.tar.bz2 | |
re PR middle-end/55481 (-O2 generates a wrong-code infinite loop in C++Benchmark's simple_types_constant_folding int8 xor test)
2013-03-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/55481
* gcc.dg/torture/pr56488.c: New testcase.
From-SVN: r196377
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr56488.c | 31 |
2 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 527fefb..8a2daad 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2013-03-01 Richard Biener <rguenther@suse.de> + + PR tree-optimization/55481 + * gcc.dg/torture/pr56488.c: New testcase. + 2013-02-28 Konstantin Serebryany <konstantin.s.serebryany@gmail.com> Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/testsuite/gcc.dg/torture/pr56488.c b/gcc/testsuite/gcc.dg/torture/pr56488.c new file mode 100644 index 0000000..78bac7b --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr56488.c @@ -0,0 +1,31 @@ +/* { dg-do run } */ + +int a, c, d = 1; +struct S { int s; } b, f; +short e; + +static void +foo (int x) +{ + int g[] = { }; + for (e = 0; e != 1; e = e + 5) + { + int *h[1] = { &g[0] }; + if (!x) + return; + f = b; + } +} + +int +main () +{ + int i, j; + for (i = 0; i < 6; i++) + for (j = 8; j; j--) + a = 0; + foo (d); + while (c) + ; + return 0; +} |