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authorBruno Haible <bruno@clisp.org>2021-01-09 12:47:42 +0100
committerBruno Haible <bruno@clisp.org>2021-01-09 12:47:42 +0100
commit8ed1d1f9f4a4f1b5ae76f1f0440813f4e895280a (patch)
tree39efaae8bac1cd3f61ae31a288dd1520a1c1ce4a /tests
parentc738b11c840efa0b75df5ae28b915b8b59bbff6e (diff)
downloadgnulib-8ed1d1f9f4a4f1b5ae76f1f0440813f4e895280a.tar.gz
exp* tests: Work around clang 6.0.1 optimization bugs on x86.
* tests/test-exp-ieee.h (test_function): Mark some variable as 'volatile'. * tests/test-exp2-ieee.h (test_function): Likewise.
Diffstat (limited to 'tests')
-rw-r--r--tests/test-exp-ieee.h2
-rw-r--r--tests/test-exp2-ieee.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/tests/test-exp-ieee.h b/tests/test-exp-ieee.h
index 7e898a5171..c426feb21e 100644
--- a/tests/test-exp-ieee.h
+++ b/tests/test-exp-ieee.h
@@ -21,7 +21,7 @@ test_function (void)
/* Underflow. */
{
- DOUBLE z = EXP (-100000.0);
+ volatile DOUBLE z = EXP (-100000.0);
ASSERT (z == L_(0.0));
ASSERT (!signbit (z));
}
diff --git a/tests/test-exp2-ieee.h b/tests/test-exp2-ieee.h
index 9a3a19665a..8b5745416d 100644
--- a/tests/test-exp2-ieee.h
+++ b/tests/test-exp2-ieee.h
@@ -21,7 +21,7 @@ test_function (void)
/* Underflow. */
{
- DOUBLE z = EXP2 (-100000.0);
+ volatile DOUBLE z = EXP2 (-100000.0);
ASSERT (z == L_(0.0));
ASSERT (!signbit (z));
}