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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/tree-ssa/pr22230.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/tree-ssa/pr22230.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c new file mode 100644 index 000000000..4d6534909 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c @@ -0,0 +1,21 @@ +/* { dg-do run } */ +/* { dg-options "-O1 -ftree-vrp" } */ + +/* PR tree-optimization/22230 + + The meet of the ranges in "i*i" was not computed correctly, leading + gcc to believe that a was equal to 0 after the loop. */ + +extern void abort (void) __attribute__((noreturn)); + +int main (void) +{ + long a, i; + + for (i = 0; i < 5; i++) + a = i * i; + if (a != 16) + abort (); + return 0; +} + |