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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/g++.dg/torture/pr33887-1.C | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/torture/pr33887-1.C')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/torture/pr33887-1.C | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/torture/pr33887-1.C b/gcc-4.9/gcc/testsuite/g++.dg/torture/pr33887-1.C new file mode 100644 index 000000000..2f17d9583 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/torture/pr33887-1.C @@ -0,0 +1,44 @@ +/* { dg-do run } */ + +extern "C" void abort (void); +struct S { unsigned int i : 24; } x; +void __attribute__((noinline)) test1() +{ + if (--x.i != 0x00ffffff) + abort (); + if (x.i != 0x00ffffff) + abort (); +} +void __attribute__((noinline)) test2() +{ + if (x.i-- != 0) + abort (); + if (x.i != 0x00ffffff) + abort (); +} +void __attribute__((noinline)) test3() +{ + if (++x.i != 0) + abort (); + if (x.i != 0) + abort (); +} +void __attribute__((noinline)) test4() +{ + if (x.i++ != 0x00ffffff) + abort (); + if (x.i != 0) + abort (); +} +int main() +{ + x.i = 0; + test1(); + x.i = 0; + test2(); + x.i = 0x00ffffff; + test3(); + x.i = 0x00ffffff; + test4(); + return 0; +} |