fix normalization in backtrace-api tests

also remove a normalization rule that doesn't seem to apply

Author: RalfJung

src/tools/miri/tests/compiletest.rs

@@ -179,8 +179,6 @@ regexes! {
     r" +at (.*\.rs)"                 => " at $1",
     // erase generics in backtraces
     "([0-9]+: .*)::<.*>"             => "$1",
-    // erase addresses in backtraces
-    "([0-9]+: ) +0x[0-9a-f]+ - (.*)" => "$1$2",
     // erase long hexadecimals
     r"0x[0-9a-fA-F]+[0-9a-fA-F]{2,2}" => "$$HEX",
     // erase specific alignments
@@ -192,7 +190,7 @@ regexes! {
     // Windows file paths
     r"\\"                           => "/",
     // erase Rust stdlib path
-    "[^ `]*/(rust[^/]*|checkout)/library/" => "RUSTLIB/",
+    "[^ \n`]*/(rust[^/]*|checkout)/library/" => "RUSTLIB/",
     // erase platform file paths
     "sys/[a-z]+/"                    => "sys/PLATFORM/",
     // erase paths into the crate registry

src/tools/miri/tests/pass/backtrace/backtrace-api-v0.rs

@@ -41,6 +41,8 @@ fn main() {
         eprintln!("{}", out);
         // Print the 'main' frame (and everything before it) to stdout, skipping
         // the printing of internal (and possibly fragile) libstd frames.
+        // Stdout is less normalized so we see more, but it also means we can print less
+        // as platform differences would lead to test suite failures.
         if !seen_main {
             println!("{}", out);
             seen_main = name == "main";

src/tools/miri/tests/pass/backtrace/backtrace-api-v0.stderr

@@ -2,4 +2,17 @@ $DIR/backtrace-api-v0.rs:LL:CC (func_d)
 $DIR/backtrace-api-v0.rs:LL:CC (func_c)
 $DIR/backtrace-api-v0.rs:LL:CC (func_b)
 $DIR/backtrace-api-v0.rs:LL:CC (func_a)
-$DIR/backtrace-api-v0.rs:LL:CC RUSTLIB/core/src/ops/function.rs:LL:CC (<fn() as std::ops::FnOnce<()>>::call_once - RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC (std::sys_common::backtrace::__rust_begin_short_backtrace)
+$DIR/backtrace-api-v0.rs:LL:CC (main)
+RUSTLIB/core/src/ops/function.rs:LL:CC (<fn() as std::ops::FnOnce<()>>::call_once - shim(fn()))
+RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC (std::sys_common::backtrace::__rust_begin_short_backtrace)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start::{closure#0})
+RUSTLIB/core/src/ops/function.rs:LL:CC (std::ops::function::impls::call_once)
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call)
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try)
+RUSTLIB/std/src/panic.rs:LL:CC (std::panic::catch_unwind)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start_internal::{closure#2})
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call)
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try)
+RUSTLIB/std/src/panic.rs:LL:CC (std::panic::catch_unwind)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start_internal)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start)

src/tools/miri/tests/pass/backtrace/backtrace-api-v1.rs

@@ -54,6 +54,8 @@ fn main() {
         eprintln!("{}", out);
         // Print the 'main' frame (and everything before it) to stdout, skipping
         // the printing of internal (and possibly fragile) libstd frames.
+        // Stdout is less normalized so we see more, but it also means we can print less
+        // as platform differences would lead to test suite failures.
         if !seen_main {
             println!("{}", out);
             seen_main = name == "main";

src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr

@@ -2,4 +2,17 @@ $DIR/backtrace-api-v1.rs:LL:CC (func_d)
 $DIR/backtrace-api-v1.rs:LL:CC (func_c)
 $DIR/backtrace-api-v1.rs:LL:CC (func_b)
 $DIR/backtrace-api-v1.rs:LL:CC (func_a)
-$DIR/backtrace-api-v1.rs:LL:CC RUSTLIB/core/src/ops/function.rs:LL:CC (<fn() as std::ops::FnOnce<()>>::call_once - RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC (std::sys_common::backtrace::__rust_begin_short_backtrace)
+$DIR/backtrace-api-v1.rs:LL:CC (main)
+RUSTLIB/core/src/ops/function.rs:LL:CC (<fn() as std::ops::FnOnce<()>>::call_once - shim(fn()))
+RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC (std::sys_common::backtrace::__rust_begin_short_backtrace)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start::{closure#0})
+RUSTLIB/core/src/ops/function.rs:LL:CC (std::ops::function::impls::call_once)
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call)
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try)
+RUSTLIB/std/src/panic.rs:LL:CC (std::panic::catch_unwind)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start_internal::{closure#2})
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call)
+RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try)
+RUSTLIB/std/src/panic.rs:LL:CC (std::panic::catch_unwind)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start_internal)
+RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start)