From 77a5ccfcd868c74a5afbc618cf6293819898023b Mon Sep 17 00:00:00 2001 From: rth Date: Sat, 15 Jun 2002 00:43:20 +0000 Subject: [PATCH] New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54630 138bc75d-0d04-0410-961f-82ee72b054a4 --- .../gcc.c-torture/execute/20020614-1.c | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/execute/20020614-1.c diff --git a/gcc/testsuite/gcc.c-torture/execute/20020614-1.c b/gcc/testsuite/gcc.c-torture/execute/20020614-1.c new file mode 100644 index 000000000000..bcbaed8ae8e2 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20020614-1.c @@ -0,0 +1,41 @@ +/* PR c/6677 */ +/* Verify that GCC doesn't perform illegal simplifications + when folding constants. */ + +#include + +extern void abort (void); +extern void exit (int); + +int main (void) +{ + int i; + signed char j; + unsigned char k; + + i = SCHAR_MAX; + + j = ((signed char) (i << 1)) / 2; + + if (j != -1) + abort(); + + j = ((signed char) (i * 2)) / 2; + + if (j != -1) + abort(); + + i = UCHAR_MAX; + + k = ((unsigned char) (i << 1)) / 2; + + if (k != UCHAR_MAX/2) + abort(); + + k = ((unsigned char) (i * 2)) / 2; + + if (k != UCHAR_MAX/2) + abort(); + + exit(0); +} -- 2.47.2