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Diffstat (limited to 'gcc/testsuite/gcc.dg/ftrapv-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/ftrapv-1.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ftrapv-1.c b/gcc/testsuite/gcc.dg/ftrapv-1.c new file mode 100644 index 000000000..44eb176b5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/ftrapv-1.c @@ -0,0 +1,25 @@ +/* Copyright (C) 2004 Free Software Foundation. + + PR other/15526 + Verify correct overflow checking with -ftrapv. + + Written by Falk Hueffner, 20th May 2004. */ + +/* { dg-do run } */ +/* { dg-options "-ftrapv" } */ + +__attribute__((noinline)) int +mulv(int a, int b) +{ + return a * b; +} + +int +main() +{ + mulv( 0, 0); + mulv( 0, -1); + mulv(-1, 0); + mulv(-1, -1); + return 0; +} |