AMDGPU: Add sram-ecc feature

Differential Revision: https://reviews.llvm.org/D53222

llvm-svn: 346177
diff --git a/llvm/test/CodeGen/AMDGPU/elf-header-flags-mach.ll b/llvm/test/CodeGen/AMDGPU/elf-header-flags-mach.ll
index 5887951..b64e077 100644
--- a/llvm/test/CodeGen/AMDGPU/elf-header-flags-mach.ll
+++ b/llvm/test/CodeGen/AMDGPU/elf-header-flags-mach.ll
@@ -86,6 +86,7 @@
 ; GFX902-NEXT:   EF_AMDGPU_XNACK              (0x100)
 ; GFX904:        EF_AMDGPU_MACH_AMDGCN_GFX904 (0x2E)
 ; GFX906:        EF_AMDGPU_MACH_AMDGCN_GFX906 (0x2F)
+; GFX906-NEXT:   EF_AMDGPU_SRAM_ECC           (0x200)
 ; GFX909:        EF_AMDGPU_MACH_AMDGCN_GFX909 (0x31)
 ; ALL:         ]