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author | H.J. Lu <hongjiu.lu@intel.com> | 2011-08-03 14:44:54 +0000 |
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committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-08-03 07:44:54 -0700 |
commit | ac88396b5e3bf22b4013339e7980a748d88eddf7 (patch) | |
tree | 6f59fc1c78e261d63109d6d61c0cd299596a55c3 /gcc | |
parent | deb8dacccffd4eda62517772bef5fd90e03776d7 (diff) | |
download | gcc-ac88396b5e3bf22b4013339e7980a748d88eddf7.zip gcc-ac88396b5e3bf22b4013339e7980a748d88eddf7.tar.gz gcc-ac88396b5e3bf22b4013339e7980a748d88eddf7.tar.bz2 |
Add a testcase for PR middle-end/47383.
2011-08-03 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/47383
* gcc.dg/torture/pr47383.c: Likewise.
From-SVN: r177277
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr47383.c | 30 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2dc9a1d..a157259 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-08-03 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/47383 + * gcc.dg/torture/pr47383.c: Likewise. + 2011-08-03 Arnaud Charlet <charlet@adacore.com> * gnat.dg/specs/debug1.ads: Add missing -margs switch. diff --git a/gcc/testsuite/gcc.dg/torture/pr47383.c b/gcc/testsuite/gcc.dg/torture/pr47383.c new file mode 100644 index 0000000..ae8d670 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr47383.c @@ -0,0 +1,30 @@ +/* { dg-do run } */ + +static int heap[2*(256 +1+29)+1]; +static int heap_len; +static int heap_max; +void +__attribute__ ((noinline)) +foo (int elems) +{ + int n, m; + int max_code = -1; + int node = elems; + heap_len = 0, heap_max = (2*(256 +1+29)+1); + for (n = 0; n < elems; n++) + heap[++heap_len] = max_code = n; + do { + n = heap[1]; + heap[1] = heap[heap_len--]; + m = heap[1]; + heap[--heap_max] = n; + heap[--heap_max] = m; + } while (heap_len >= 2); +} + +int +main () +{ + foo (286); + return 0; +} |