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-rw-r--r--test/builtins/Unit/compiler_rt_logb_test.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/builtins/Unit/compiler_rt_logb_test.c b/test/builtins/Unit/compiler_rt_logb_test.c
index 796765980..962588131 100644
--- a/test/builtins/Unit/compiler_rt_logb_test.c
+++ b/test/builtins/Unit/compiler_rt_logb_test.c
@@ -37,6 +37,10 @@ double cases[] = {
};
int main() {
+ // Do not the run the compiler-rt logb test case if using GLIBC version
+ // < 2.23. Older versions might not compute to the same value as the
+ // compiler-rt value.
+#if !defined(__GLIBC__) || (defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 23))
const unsigned N = sizeof(cases) / sizeof(cases[0]);
unsigned i;
for (i = 0; i < N; ++i) {
@@ -58,6 +62,9 @@ int main() {
if (test__compiler_rt_logb(fromRep(signBit ^ x))) return 1;
x >>= 1;
}
+#else
+ printf("skipped\n");
+#endif
return 0;
}