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| author | Jeff Law <law@redhat.com> | 2017-01-10 13:55:59 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-01-10 13:55:59 -0700 |
| commit | 5363d9d949cf4e0527037cd1a7032fdd3f6964ed (patch) | |
| tree | e2b4748e1c274655658613b50816554637191098 /gcc | |
| parent | dc703d70ec7bc3039741c380ea1dd0a7c14f7ee2 (diff) | |
| download | gcc-5363d9d949cf4e0527037cd1a7032fdd3f6964ed.zip gcc-5363d9d949cf4e0527037cd1a7032fdd3f6964ed.tar.gz gcc-5363d9d949cf4e0527037cd1a7032fdd3f6964ed.tar.bz2 | |
re PR middle-end/77766 (wrong code at -O2 and -O3 in 64-bit mode on x86_64-linux-gnu (executable hangs))
PR tree-optimization/77766
PR tree-optimization/78856
* gcc.c-torture/execute/pr77766.c: New test.
From-SVN: r244287
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr77766.c | 28 |
2 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index bc86b4f..009d32d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2017-01-10 Jeff Law <law@redhat.com> + + PR tree-optimization/77766 + PR tree-optimization/78856 + * gcc.c-torture/execute/pr77766.c: New test. + 2016-01-10 Richard Biener <rguenther@suse.de> PR tree-optimization/79034 diff --git a/gcc/testsuite/gcc.c-torture/execute/pr77766.c b/gcc/testsuite/gcc.c-torture/execute/pr77766.c new file mode 100644 index 0000000..f8f61ad --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr77766.c @@ -0,0 +1,28 @@ +char a; +short b, d = 5, h; +char c[1]; +int e, f = 4, g, j; +int main() { + int i; + for (; f; f = a) { + g = 0; + for (; g <= 32; ++g) { + i = 0; + for (; i < 3; i++) + while (1 > d) + if (c[b]) + break; + L: + if (j) + break; + } + } + e = 0; + for (; e; e = 0) { + d++; + for (; h;) + goto L; + } + return 0; +} + |