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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.c-torture/execute/20020213-1.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/gcc.c-torture/execute/20020213-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020213-1.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020213-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020213-1.c new file mode 100644 index 000000000..f9fefee26 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020213-1.c @@ -0,0 +1,34 @@ +/* PR c/5681 + This testcase failed on IA-32 at -O0, because safe_from_p + incorrectly assumed it is safe to first write into a.a2 b-1 + and then read the original value from it. */ + +int bar (float); + +struct A { + float a1; + int a2; +} a; + +int b; + +void foo (void) +{ + a.a2 = bar (a.a1); + a.a2 = a.a2 < b - 1 ? a.a2 : b - 1; + if (a.a2 >= b - 1) + abort (); +} + +int bar (float x) +{ + return 2241; +} + +int main() +{ + a.a1 = 1.0f; + b = 3384; + foo (); + return 0; +} |