Include line numbers in debuginfo by default for developers

Author: jyn514

src/bootstrap/defaults/config.codegen.toml

@@ -21,3 +21,5 @@ incremental = true
 backtrace-on-ice = true
 # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown.
 lto = "off"
+# Include line numbers in backtraces.
+debuginfo-level-rustc = 1

src/bootstrap/defaults/config.compiler.toml

@@ -14,6 +14,8 @@ incremental = true
 backtrace-on-ice = true
 # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown.
 lto = "off"
+# Include line numbers in backtraces.
+debuginfo-level-rustc = 1
 
 [llvm]
 # Will download LLVM from CI if available on your platform.

src/bootstrap/defaults/config.library.toml

@@ -10,6 +10,8 @@ bench-stage = 0
 incremental = true
 # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown.
 lto = "off"
+# Include line numbers in backtraces.
+debuginfo-level-std = 1
 
 [llvm]
 # Will download LLVM from CI if available on your platform.

src/bootstrap/defaults/config.tools.toml

@@ -10,6 +10,8 @@ incremental = true
 # Download rustc from CI instead of building it from source.
 # This cuts compile times by almost 60x, but means you can't modify the compiler.
 download-rustc = "if-unchanged"
+# Include line numbers in backtraces.
+debuginfo-level-tools = 1
 
 [build]
 # Document with the in-tree rustdoc by default, since `download-rustc` makes it quick to compile.