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| author | Jeff Law <law@redhat.com> | 2005-01-31 20:48:52 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2005-01-31 20:48:52 -0700 |
| commit | dc5d4efbce3e6587b31da8d6d1c502aea80acfcc (patch) | |
| tree | 156482e0e2154f02927d2baaf5e214e13f2ba2d8 /gcc/testsuite/gcc.dg/wcaselabel-1.c | |
| parent | 3dcec1e9e797af50ef38718cf19e0742e1c6a96a (diff) | |
| download | gcc-dc5d4efbce3e6587b31da8d6d1c502aea80acfcc.zip gcc-dc5d4efbce3e6587b31da8d6d1c502aea80acfcc.tar.gz gcc-dc5d4efbce3e6587b31da8d6d1c502aea80acfcc.tar.bz2 | |
fold-const.c (fold, [...]): Do not lose side effects when optimizing 0 % X.
* fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
effects when optimizing 0 % X. Do not try to optimize X % 0.
* gcc.c-torture/execute/20050131-1.c: New test.
* gcc.dg/wcaselabel.c: New test.
From-SVN: r94516
Diffstat (limited to 'gcc/testsuite/gcc.dg/wcaselabel-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/wcaselabel-1.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/wcaselabel-1.c b/gcc/testsuite/gcc.dg/wcaselabel-1.c new file mode 100644 index 0000000..6f673df --- /dev/null +++ b/gcc/testsuite/gcc.dg/wcaselabel-1.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-w" } */ + + +int foo(int x) +{ + switch(x) + { + + case 0 % 0: /* { dg-error "case label does not reduce to an integer constant" } */ + return 1; + default: + return 2; + } +} |