diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr63841.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr63841.C | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr63841.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr63841.C new file mode 100644 index 000000000..2a2c78f9f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr63841.C @@ -0,0 +1,35 @@ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +#include <string> + +std::string __attribute__ ((noinline)) comp_test_write() { + std::string data; + + for (int i = 0; i < 2; ++i) { + char b = 1 >> (i * 8); + data.append(&b, 1); + } + + return data; +} + +std::string __attribute__ ((noinline)) comp_test_write_good() { + std::string data; + + char b; + for (int i = 0; i < 2; ++i) { + b = 1 >> (i * 8); + data.append(&b, 1); + } + + return data; +} + +int main() { + std::string good = comp_test_write_good(); + std::string bad = comp_test_write(); + + if (good != bad) + __builtin_abort (); +} |