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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/gcc.dg/bitfld-2.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/gcc.dg/bitfld-2.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/bitfld-2.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/bitfld-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/bitfld-2.c new file mode 100644 index 000000000..b61fec608 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/bitfld-2.c @@ -0,0 +1,23 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + + Tests we warn about overly-large assignments to bitfields. + + Source: Neil Booth, 28 Jan 2002. +*/ + +struct bf +{ + unsigned int a: 2; + int b: 2; +}; + +struct bf p = {4, 0}; /* { dg-warning "truncated" "" } */ +struct bf q = {0, 2}; /* { dg-warning "overflow" "" } */ +struct bf r = {3, -2}; /* { dg-bogus "(truncated|overflow)" } */ + +void foo () +{ + p.a = 4, p.b = 0; /* { dg-warning "truncated" "" } */ + q.a = 0, q.b = 2; /* { dg-warning "overflow" "" } */ + r.a = 3, r.b = -2; /* { dg-bogus "(truncated|overflow)" } */ +} |