rust-lang/rust 1.12.1

Rust 1.12.1

on GitHub

Regression Fixes

• ICE: 'rustc' panicked at 'assertion failed: concrete_substs.is_normalized_for_trans()' #36381
• Confusion with double negation and booleans
• rustc 1.12.0 fails with SIGSEGV in release mode (syn crate 0.8.0)
• Rustc 1.12.0 Windows build of ethcore crate fails with LLVM error
• 1.12.0: High memory usage when linking in release mode with debug info
• Corrupted memory after updated to 1.12
• "Let NullaryConstructor = something;" causes internal compiler error: "tried to overwrite interned AdtDef"
• Fix ICE: inject bitcast if types mismatch for invokes/calls/stores
• debuginfo: Handle spread_arg case in MIR-trans in a more stable way.