diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr57864.c | 37 |
2 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 38bb9e2..c7a1b05 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-05-07 Richard Biener <rguenther@suse.de> + + PR tree-optimization/57864 + * gcc.dg/torture/pr57864.c: New testcase. + 2014-05-06 Jerry DeLisle <jvdelisle@gcc.gnu> PR libfortran/61049 diff --git a/gcc/testsuite/gcc.dg/torture/pr57864.c b/gcc/testsuite/gcc.dg/torture/pr57864.c new file mode 100644 index 0000000..93962c2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr57864.c @@ -0,0 +1,37 @@ +/* { dg-do compile } */ + +union U { + double val; + union U *ptr; +}; + +union U *d; +double a; +int b; +int c; + +static void fn1(union U *p1, int p2, _Bool p3) +{ + union U *e; + + if (p2 == 0) + a = ((union U*)((unsigned long)p1 & ~1))->val; + + if (b) { + e = p1; + } else if (c) { + e = ((union U*)((unsigned long)p1 & ~1))->ptr; + d = e; + } else { + e = 0; + d = ((union U*)0)->ptr; + } + + fn1 (e, 0, 0); + fn1 (0, 0, p3); +} + +void fn2 (void) +{ + fn1 (0, 0, 0); +} |