18 unexpected failures in test suite on Darwin PowerPC

# of expected passes		7241
# of unexpected failures	18
# of expected failures		52
# of unsupported tests		2

FAIL: rust/compile/builtin_macro_recurse.rs scan-tree-dump-times gimple ""test1canary"" 1
FAIL: rust/compile/const-issue1440.rs  at line 49 (test for errors, line 48)
FAIL: rust/compile/const-issue1440.rs  at line 61 (test for errors, line 60)
FAIL: rust/compile/const-issue1440.rs (test for excess errors)
FAIL: rust/compile/torture/issue-1432.rs   -O0  (test for excess errors)
FAIL: rust/compile/torture/issue-1432.rs   -O1  (test for excess errors)
FAIL: rust/compile/torture/issue-1432.rs   -O2  (test for excess errors)
FAIL: rust/compile/torture/issue-1432.rs   -O3 -g  (test for excess errors)
FAIL: rust/compile/torture/issue-1432.rs   -Os  (test for excess errors)
FAIL: rust/compile/torture/issue-1432.rs   -O2 -flto -flto-partition=none  (test for excess errors)
FAIL: rust/compile/torture/issue-1432.rs   -O2 -flto  (test for excess errors)
FAIL: rust/execute/torture/loop-condition-eval.rs   -O0  output pattern test
FAIL: rust/execute/torture/loop-condition-eval.rs   -O1  output pattern test
FAIL: rust/execute/torture/loop-condition-eval.rs   -O2  output pattern test
FAIL: rust/execute/torture/loop-condition-eval.rs   -O3 -g  output pattern test
FAIL: rust/execute/torture/loop-condition-eval.rs   -Os  output pattern test
FAIL: rust/execute/torture/loop-condition-eval.rs   -O2 -flto -flto-partition=none  output pattern test
FAIL: rust/execute/torture/loop-condition-eval.rs   -O2 -flto  output pattern test

Reproduce the test suite on Darwin PowerPC and inspect the listed rust/compile and rust/execute tests, especially builtin_macro_recurse.rs, const-issue1440.rs, issue-1432.rs, and loop-condition-eval.rs. Compare the diagnostic and output mismatches with the expected test patterns; done means the 18 reported failures are resolved and the suite passes on that target.