[libc++] Re-enable tests for C11 math macros in <float.h> and <cfloat>

Fixes http://llvm.org/PR38572.

diff --git a/libcxx/test/std/depr/depr.c.headers/float_h.pass.cpp b/libcxx/test/std/depr/depr.c.headers/float_h.pass.cpp
index 1069a67..2b7edca 100644 (file)
--- a/libcxx/test/std/depr/depr.c.headers/float_h.pass.cpp
+++ b/libcxx/test/std/depr/depr.c.headers/float_h.pass.cpp
@@ -24,7 +24,7 @@
 #error FLT_RADIX not defined
 #endif
 
-#if TEST_STD_VER > 14 && 0
+#if TEST_STD_VER > 14
 #ifndef FLT_HAS_SUBNORM
 #error FLT_HAS_SUBNORM not defined
 #endif
@@ -54,7 +54,7 @@
 #error DECIMAL_DIG not defined
 #endif
 
-#if TEST_STD_VER > 14 && 0
+#if TEST_STD_VER > 14
 #ifndef FLT_DECIMAL_DIG
 #error FLT_DECIMAL_DIG not defined
 #endif
@@ -164,7 +164,7 @@
 #error LDBL_MIN not defined
 #endif
 
-#if TEST_STD_VER > 14 && 0
+#if TEST_STD_VER > 14
 #ifndef FLT_TRUE_MIN
 #error FLT_TRUE_MIN not defined
 #endif

diff --git a/libcxx/test/std/language.support/support.limits/c.limits/cfloat.pass.cpp b/libcxx/test/std/language.support/support.limits/c.limits/cfloat.pass.cpp
index 6ddd8c6..99fe6a3 100644 (file)
--- a/libcxx/test/std/language.support/support.limits/c.limits/cfloat.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/c.limits/cfloat.pass.cpp
@@ -24,7 +24,7 @@
 #error FLT_RADIX not defined
 #endif
 
-#if TEST_STD_VER > 14 && 0
+#if TEST_STD_VER > 14
 #ifndef FLT_HAS_SUBNORM
 #error FLT_HAS_SUBNORM not defined
 #endif
@@ -54,7 +54,7 @@
 #error DECIMAL_DIG not defined
 #endif
 
-#if TEST_STD_VER > 14 && 0
+#if TEST_STD_VER > 14
 #ifndef FLT_DECIMAL_DIG
 #error FLT_DECIMAL_DIG not defined
 #endif
@@ -164,7 +164,7 @@
 #error LDBL_MIN not defined
 #endif
 
-#if TEST_STD_VER > 14 && 0
+#if TEST_STD_VER > 14
 #ifndef FLT_TRUE_MIN
 #error FLT_TRUE_MIN not defined
 #endif

diff --git a/libcxx/test/support/test_macros.h b/libcxx/test/support/test_macros.h
index 6fe1c56..0087360 100644 (file)
--- a/libcxx/test/support/test_macros.h
+++ b/libcxx/test/support/test_macros.h
@@ -162,7 +162,6 @@
 #endif
 
 // Sniff out to see if the underlying C library has C11 features
-// Note that at this time (July 2018), MacOS X and iOS do NOT.
 // This is cribbed from __config; but lives here as well because we can't assume libc++
 #if __ISO_C_VISIBLE >= 2011 || TEST_STD_VER >= 11
 #  if defined(__FreeBSD__)