[AMDGPU] Include missing FeatureMADIntraFwdBug in gfx11-generic (#89936)

It seems like this happened because #79460 moved this from
`FeatureISAVersion11_Common` to `FeatureISAVersion11_0_Common` while
#76955 was being reviewed.

GitOrigin-RevId: 2c50f8ffbb3fa2a951d97974325e132987d619a5
diff --git a/lib/Target/AMDGPU/AMDGPU.td b/lib/Target/AMDGPU/AMDGPU.td
index 2b81f5d..8abe992 100644
--- a/lib/Target/AMDGPU/AMDGPU.td
+++ b/lib/Target/AMDGPU/AMDGPU.td
@@ -1493,6 +1493,7 @@
     [FeatureMSAALoadDstSelBug,
      FeatureVALUTransUseHazard,
      FeatureUserSGPRInit16Bug,
+     FeatureMADIntraFwdBug,
      FeaturePrivEnabledTrap2NopBug,
      FeatureRequiresCOV6])>;
 
diff --git a/test/CodeGen/AMDGPU/mad_64_32.ll b/test/CodeGen/AMDGPU/mad_64_32.ll
index 14bcc4f..400298b 100644
--- a/test/CodeGen/AMDGPU/mad_64_32.ll
+++ b/test/CodeGen/AMDGPU/mad_64_32.ll
@@ -5,6 +5,7 @@
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11,GFX1100 %s
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1150 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11,GFX1150 %s
 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX12 %s
+; RUN: llc -mtriple=amdgcn -mcpu=gfx11-generic --amdhsa-code-object-version=6 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11,GFX1100 %s
 
 ; On GFX11, ensure vdst and src2 do not partially overlap. Full overlap is ok.