diff options
author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
---|---|---|
committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/g++.dg/opt/pr22167.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/g++.dg/opt/pr22167.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/opt/pr22167.C | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/opt/pr22167.C b/gcc-4.9/gcc/testsuite/g++.dg/opt/pr22167.C new file mode 100644 index 000000000..07af74462 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/opt/pr22167.C @@ -0,0 +1,32 @@ +// Derived from PR22167, which failed on some RISC targets. The call to +// foo() has two successors, one normal and one exceptional, and both +// successors use &a[0] and x. Expressions involving &a[0] can be hoisted +// before the call but those involving x cannot. +// { dg-options "-Os" } +// { dg-do run } + +int a[4]; + +struct S { + S() : x (0) {} + ~S() { a[0] = x; } + int x; +}; + +void +foo (int *x) +{ + if (*x == 1) + throw 1; + *x = 1; +} + +int +main() +{ + S s; + foo (&s.x); + if (a[0] == s.x) + a[0]++; + return a[0]; +} |