MIPS: Fix BlockTrampolinePoolFor() to emit trampoline before blocking, if needed.

src/mips/assembler-mips.cc

Index: src/mips/assembler-mips.cc
diff --git a/src/mips/assembler-mips.cc b/src/mips/assembler-mips.cc
index eeab5cde5314a76921c42ab0d4608c3c5e051630..2d1ac059a507531fae30ca29553fc68773c2660d 100644
--- a/src/mips/assembler-mips.cc
+++ b/src/mips/assembler-mips.cc
@@ -2856,6 +2856,7 @@ void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) {
 
 
 void Assembler::BlockTrampolinePoolFor(int instructions) {
+  CheckTrampolinePoolQuick(instructions);
   BlockTrampolinePoolBefore(pc_offset() + instructions * kInstrSize);
 }