armhf_toolchain.patch

diff --git a/build/moz.configure/toolchain.configure b/build/moz.configure/toolchain.configure
index 15bc045..9d7bef5 100644
--- a/build/moz.configure/toolchain.configure
+++ b/build/moz.configure/toolchain.configure
@@ -340,6 +340,9 @@ def check_compiler(compiler, language, target):
     if info.language == 'C' and info.language_version != 199901:
         if info.type in ('clang-cl', 'clang', 'gcc'):
             append_flag('-std=gnu99')
+            append_flag('-fno-lifetime-dse')
+            append_flag('-fno-delete-null-pointer-checks')
+            append_flag('-fno-schedule-insns')
 
     # Note: MSVC, while supporting C++11, still reports 199711L for __cplusplus.
     # Note: this is a strict version check because we used to always add
@@ -347,10 +350,16 @@ def check_compiler(compiler, language, target):
     if info.language == 'C++':
         if info.type in ('clang', 'gcc') and info.language_version != 201103:
             append_flag('-std=gnu++11')
+            append_flag('-fno-lifetime-dse')
+            append_flag('-fno-delete-null-pointer-checks')
+            append_flag('-fno-schedule-insns')
         # MSVC 2015 headers include C++14 features, but don't guard them
         # with appropriate checks.
         if info.type == 'clang-cl' and info.language_version != 201402:
             append_flag('-std=c++14')
+            append_flag('-fno-lifetime-dse')
+            append_flag('-fno-delete-null-pointer-checks')
+            append_flag('-fno-schedule-insns')
 
     # We force clang-cl to emulate Visual C++ 2015 Update 3 with fallback to
     # cl.exe.