MIPS: Fix '[turbofan] Add CalleeSavedFPRegisters to CallDescriptor.'

src/compiler/mips/code-generator-mips.cc

Index: src/compiler/mips/code-generator-mips.cc
diff --git a/src/compiler/mips/code-generator-mips.cc b/src/compiler/mips/code-generator-mips.cc
index 8bb47ef4f79e3fcc0196dd23e10b9d57f0df1850..a7806ccae236c2ee0e83399386915b1480f9d299 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -1082,7 +1082,9 @@ void CodeGenerator::AssemblePrologue() {
     const RegList saves = descriptor->CalleeSavedRegisters();
     // Save callee-saved registers.
     __ MultiPush(saves);
-    DCHECK(kNumCalleeSaved == base::bits::CountPopulation32(saves));
+    // kNumCalleeSaved includes the fp register, but the fp register
+    // is saved separately in TF.
+    DCHECK(kNumCalleeSaved == base::bits::CountPopulation32(saves) + 1);
     int register_save_area_size = kNumCalleeSaved * kPointerSize;
 
     const RegList saves_fpu = descriptor->CalleeSavedFPRegisters();