lib/std/valgrind.zig          | 138 +++++++++++++++++++++-----------
 lib/std/valgrind/memcheck.zig |  12 +--
 src/codegen/llvm.zig          |  82 +++++++++++++++----
 src/target.zig                |  48 ++++++++---
 4 files changed, 202 insertions(+), 78 deletions(-)