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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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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/Warray-bounds-10.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/Warray-bounds-10.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/Warray-bounds-10.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Warray-bounds-10.c b/gcc-4.9/gcc/testsuite/gcc.dg/Warray-bounds-10.c new file mode 100644 index 000000000..5fd6e6f1a --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/Warray-bounds-10.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -Warray-bounds" } */ + +int f(unsigned len, int buflen) +{ + unsigned taillen; + unsigned slen; + unsigned i; + int b[17]; /* needed <= 17 to trigger Warning */ + int j = 0; /* needed to trigger Warning */ + + b[0] = 0; + taillen= buflen & 7; /* taillen [0..7] */ + + if(taillen) { /* taillen [1..7] */ + slen= 8 - taillen; /* slen [7..1] */ + if (len<slen) /* needed to trigger Warning */ + slen=len; /* slen' < slen */ + for(i=0; i<slen; i++) { + j = b[taillen]; /* taillen + slen = [1..7] + [7..1] = 8 */ + taillen++; + } + } + return j; +} |