diff options
Diffstat (limited to 'packages/gcc/gcc-3.3.3/pr11736-1-test.patch')
| -rw-r--r-- | packages/gcc/gcc-3.3.3/pr11736-1-test.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/packages/gcc/gcc-3.3.3/pr11736-1-test.patch b/packages/gcc/gcc-3.3.3/pr11736-1-test.patch index e69de29bb2..ea544b1275 100644 --- a/packages/gcc/gcc-3.3.3/pr11736-1-test.patch +++ b/packages/gcc/gcc-3.3.3/pr11736-1-test.patch @@ -0,0 +1,48 @@ +--- /dev/null Sat Dec 14 13:56:51 2002 ++++ gcc-3.3.1/gcc/testsuite/gcc.dg/pr11736-1.c Sun Sep 14 14:26:33 2003 +@@ -0,0 +1,45 @@ ++/* PR optimization/11736 ++ * Reporter: marcus@mc.pp.se ++ * Summary: Stackpointer messed up on SuperH ++ * Keywords: wrong-code ++ * Description: ++ * When a function with 5 arguments is called in both branches of a ++ * conditional, and only the last argument differs, the code to push that ++ * last argument on the stack gets confused. ++ * Space for the fifth argument is reserved on the stack by the ++ * instruction I have marked as "A". However, if the else-branch is ++ * taken the stackpointer is decremented _again_ at "B". This ++ * decrementation is never restored, and it is only due to the ++ * restoration of r15 from r14 that the function works at all. With ++ * -fomit-frame-pointer it will crash. ++ * ++ * Testcase tweaked by dank@kegel.com ++ * Not marked as xfail since it's a regression from hardhat 2.0 gcc-2.97 ++ * and dodes gcc-3.0.2 ++ */ ++ ++/* { dg-do run } */ ++/* { dg-options "-O1 -fomit-frame-pointer" } */ ++ ++int expected_e; ++ ++void bar(int a, int b, int c, int d, int e) ++{ ++ if (e != expected_e) ++ abort(); ++} ++ ++void foo(int a) ++{ ++ if (a) ++ bar(0, 0, 0, 0, 1); ++ else ++ bar(0, 0, 0, 0, 0); /* stack pointer decremented extra time here, causing segfault */ ++} ++ ++int main(int argc, char **argv) ++{ ++ for (expected_e = 0; expected_e < 2; expected_e++) ++ foo(expected_e); ++ return 0; ++} |