[libcxx] r315882 - Fix last_write_time.pass.cpp to work with clang-3.9 and earlier

[Roman Lebedev via cfe-commits]

Author: lebedevri
Date: Sun Oct 15 14:52:53 2017
New Revision: 315882

URL: http://llvm.org/viewvc/llvm-project?rev=315882&view=rev
Log:
Fix last_write_time.pass.cpp to work with clang-3.9 and earlier

At least with clang-3.9 and earlier, -Wunknown-pragmas is also needed.

Modified:
    libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp

Modified: libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp?rev=315882&r1=315881&r2=315882&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp Sun Oct 15 14:52:53 2017
@@ -94,6 +94,7 @@ bool TestSupportsNegativeTimes() {
 #if defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunknown-warning-option"
+#pragma clang diagnostic ignored "-Wunknown-pragmas"
 #pragma clang diagnostic ignored "-Wtautological-constant-compare"
 #endif
 
@@ -130,6 +131,7 @@ static const bool SupportsMaxTime = Test
 #if defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunknown-warning-option"
+#pragma clang diagnostic ignored "-Wunknown-pragmas"
 #pragma clang diagnostic ignored "-Wtautological-constant-compare"
 #endif