Implement custom memory manager for LLVM

Use various ways to reuse the page that has the page protection set in order to avoid wasting a page of memory for each JIT event. Fixes #14626 [av skip]
JuliaLang · Jun 6, 2016 · 9e1d4c5 · 9e1d4c5
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diff --git a/src/Makefile b/src/Makefile
@@ -44,7 +44,7 @@ SRCS := \
 LLVMLINK :=
 
 ifeq ($(JULIACODEGEN),LLVM)
-SRCS += codegen disasm debuginfo llvm-simdloop llvm-gcroot
+SRCS += codegen disasm debuginfo llvm-simdloop llvm-gcroot cgmemmgr
 FLAGS += -I$(shell $(LLVM_CONFIG_HOST) --includedir)
 LLVM_LIBS := all
 ifeq ($(USE_POLLY),1)