diff options
| author | Greg McGary <greg@mcgary.org> | 2000-09-17 08:55:16 +0000 |
|---|---|---|
| committer | Greg McGary <gkm@gcc.gnu.org> | 2000-09-17 08:55:16 +0000 |
| commit | 859e203f3a8476ae430f100b3a877013a4cfd1b1 (patch) | |
| tree | dd2b33914bdac196c9ed3333016f87d597aa3f75 /gcc | |
| parent | 98c13cc0649b29b8be61b632880ba735d342507c (diff) | |
| download | gcc-859e203f3a8476ae430f100b3a877013a4cfd1b1.zip gcc-859e203f3a8476ae430f100b3a877013a4cfd1b1.tar.gz gcc-859e203f3a8476ae430f100b3a877013a4cfd1b1.tar.bz2 | |
20000917-1.c: New test.
* gcc.c-torture/execute/20000917-1.c: New test.
* gcc.c-torture/execute/20000917-1.x: XFAIL.
From-SVN: r36466
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20000917-1.c | 42 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20000917-1.x | 3 |
3 files changed, 52 insertions, 2 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 510c033..3e847d8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2000-09-17 Greg McGary <greg@mcgary.org> + + * gcc.c-torture/execute/20000917-1.c: New test. + * gcc.c-torture/execute/20000917-1.x: XFAIL. + Sat 16-Sep-2000 08:14:58 BST Neil Booth <NeilB@earthling.net> * gcc.dg/cpp/macro2.c: Testcase for multi-context arguments @@ -90,8 +95,8 @@ Tue Sep 12 18:32:07 2000 J"orn Rennecke <amylaar@redhat.co.uk> 2000-09-06 Greg McGary <greg@mcgary.org> - * gcc.c-torture/20000906.c: New test. - * gcc.c-torture/20000906.x: Expect failure for ix86 at `-O2'. + * gcc.c-torture/execute/20000906-1.c: New test. + * gcc.c-torture/execute/20000906-1.x: Expect failure for ix86 at `-O2'. 2000-09-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> diff --git a/gcc/testsuite/gcc.c-torture/execute/20000917-1.c b/gcc/testsuite/gcc.c-torture/execute/20000917-1.c new file mode 100644 index 0000000..05b00ff --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20000917-1.c @@ -0,0 +1,42 @@ +/* This bug exists in gcc-2.95, egcs-1.1.2, gcc-2.7.2 and probably + every other version as well. */ + +typedef struct int3 { int a, b, c; } int3; + +int3 +one (void) +{ + return (int3) { 1, 1, 1 }; +} + +int3 +zero (void) +{ + return (int3) { 0, 0, 0 }; +} + +int +main (void) +{ + int3 a; + + /* gcc allocates a temporary for the inner expression statement + to store the return value of `one'. + + gcc frees the temporaries for the inner expression statement. + + gcc realloates the same temporary slot to store the return + value of `zero'. + + gcc expands the call to zero ahead of the expansion of the + statement expressions. The temporary gets the value of `zero'. + + gcc expands statement expressions and the stale temporary is + clobbered with the value of `one'. The bad value is copied from + the temporary into *&a. */ + + *({ ({ one (); &a; }); }) = zero (); + if (a.a && a.b && a.c) + abort (); + exit (0); +} diff --git a/gcc/testsuite/gcc.c-torture/execute/20000917-1.x b/gcc/testsuite/gcc.c-torture/execute/20000917-1.x new file mode 100644 index 0000000..287382e --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20000917-1.x @@ -0,0 +1,3 @@ +# Never has worked +set torture_execute_xfail "*-*-*" +return 0 |