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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/20020607-1.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.dg/20020607-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/20020607-1.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/20020607-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/20020607-1.c new file mode 100644 index 000000000..afad78d8c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/20020607-1.c @@ -0,0 +1,40 @@ +/* PR middle-end/6950 + gcc 3.0.4 mistakenly set lhs.low to 0 at the beginning of the num_eq + expansion; it should use a temporary. +/* { dg-do run } */ + +typedef struct cpp_num cpp_num; +struct cpp_num +{ + long high; + long low; + char overflow; +}; + +#define num_eq(num1, num2) (num1.low == num2.low && num1.high == num2.high) + +static cpp_num +num_equality_op (lhs, rhs) + cpp_num lhs, rhs; +{ + lhs.low = num_eq (lhs, rhs); + lhs.high = 0; + lhs.overflow = 0; + return lhs; +} + +int main() +{ + cpp_num a = { 1, 2 }; + cpp_num b = { 3, 4 }; + + cpp_num result = num_equality_op (a, b); + if (result.low) + return 1; + + result = num_equality_op (a, a); + if (!result.low) + return 2; + + return 0; +} |