r308855 - [Driver] Fuchsia defaults to -fno-math-errno

[Petr Hosek via cfe-commits]

Author: phosek
Date: Sun Jul 23 15:30:13 2017
New Revision: 308855

URL: http://llvm.org/viewvc/llvm-project?rev=308855&view=rev
Log:
[Driver] Fuchsia defaults to -fno-math-errno

Patch by Roland McGrath

Differential Revision: https://reviews.llvm.org/D35747

Modified:
    cfe/trunk/lib/Driver/ToolChains/Fuchsia.h
    cfe/trunk/test/Driver/fast-math.c

Modified: cfe/trunk/lib/Driver/ToolChains/Fuchsia.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Fuchsia.h?rev=308855&r1=308854&r2=308855&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Fuchsia.h (original)
+++ cfe/trunk/lib/Driver/ToolChains/Fuchsia.h Sun Jul 23 15:30:13 2017
@@ -42,6 +42,7 @@ public:
 
   bool HasNativeLLVMSupport() const override { return true; }
   bool IsIntegratedAssemblerDefault() const override { return true; }
+  bool IsMathErrnoDefault() const override { return false; }
   RuntimeLibType GetDefaultRuntimeLibType() const override {
     return ToolChain::RLT_CompilerRT;
   }

Modified: cfe/trunk/test/Driver/fast-math.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/fast-math.c?rev=308855&r1=308854&r2=308855&view=diff
==============================================================================
--- cfe/trunk/test/Driver/fast-math.c (original)
+++ cfe/trunk/test/Driver/fast-math.c Sun Jul 23 15:30:13 2017
@@ -93,6 +93,8 @@
 // RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
 // RUN: %clang -### -target x86_64-unknown-dragonfly -c %s 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
+// RUN: %clang -### -target x86_64-fuchsia -c %s 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
 //
 // Check that -ffast-math disables -fmath-errno, and -fno-fast-math merely
 // preserves the target default. Also check various flag set operations between