Merge pull request #14403 from drepper/warn-uninitialized-squashed

Mark variables as initialized [cleaned up version]
JuliaLang · Dec 17, 2015 · 1e7e967 · 1e7e967
2 parents e88ee46 + 82e9118
commit 1e7e967
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diff --git a/src/codegen.cpp b/src/codegen.cpp
@@ -4674,6 +4674,7 @@ static void emit_function(jl_lambda_info_t *lam, jl_llvm_functions_t *declaratio
  ctx.debug_enabled = false;
  do_coverage = false;
  do_malloc_log = false;
+ JL_MARK_INITIALIZED(SP);
  }
  else {
  // TODO: Fix when moving to new LLVM version

diff --git a/src/julia.h b/src/julia.h
@@ -43,13 +43,16 @@ extern "C" {
 #if defined(__GNUC__)
 # define JL_NORETURN __attribute__ ((noreturn))
 # define JL_CONST_FUNC __attribute__((const))
+# define JL_MARK_INITIALIZED(var) asm("" : "=rm" (var))
 #elif defined(_COMPILER_MICROSOFT_)
 # define JL_NORETURN __declspec(noreturn)
 // This is the closest I can find for __attribute__((const))
 # define JL_CONST_FUNC __declspec(noalias)
+# define JL_MARK_INITIALIZED(var) do {} while (0)
 #else
 # define JL_NORETURN
 # define JL_CONST_FUNC
+# define JL_MARK_INITIALIZED(var) do {} while (0)
 #endif
 
 #define container_of(ptr, type, member) \