config.status.diff

--- /tmp/config.status.old	2017-12-01 15:27:56.941348688 -0500
+++ /build/debug-mozilla-central/config.status	2017-12-04 10:09:39.127376621 -0500
@@ -99,7 +99,7 @@
     'ARM_ARCH': '',
     'AR_EXTRACT': '$(AR) x',
     'AR_FLAGS': 'crs $@',
-    'AS': '$(CC)',
+    'AS': '/usr/bin/gcc',
     'ASFLAGS': [
         '-fPIC',
         '-Wa,--noexecstack',
@@ -299,8 +299,6 @@
     'MACOS_SDK_DIR': '',
     'MAKENSISU_FLAGS': '-nocd',
     'MAR_CHANNEL_ID': 'firefox-mozilla-central',
-    'MIDL': '',
-    'MIDL_FLAGS': '',
     'MKCSHLIB': '$(CC) $(COMPUTED_C_LDFLAGS) $(PGO_CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -Wl,-h,$(DSO_SONAME) -o $@',
     'MKSHLIB': '$(CXX) $(COMPUTED_CXX_LDFLAGS) $(PGO_CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -Wl,-h,$(DSO_SONAME) -o $@',
     'MMX_FLAGS': [