[llvm] Begin -print-on-crash output with semicolon (PR #164903)

[Iñaki V Arrechea via llvm-commits]

https://github.com/InakiVA updated https://github.com/llvm/llvm-project/pull/164903

>From f1ee03ecb40ce6d184617fdc6b4de7b76e76b283 Mon Sep 17 00:00:00 2001
From: Inaki Arrechea <inakiarrechea at google.com>
Date: Wed, 22 Oct 2025 20:46:54 +0000
Subject: [PATCH] Added ; to StandardInstrumentations.cpp and print-on-crash.ll

---
 llvm/lib/Passes/StandardInstrumentations.cpp | 2 +-
 llvm/test/Other/print-on-crash.ll            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Passes/StandardInstrumentations.cpp b/llvm/lib/Passes/StandardInstrumentations.cpp
index de293308ae69e..7290a86503120 100644
--- a/llvm/lib/Passes/StandardInstrumentations.cpp
+++ b/llvm/lib/Passes/StandardInstrumentations.cpp
@@ -2499,7 +2499,7 @@ void PrintCrashIRInstrumentation::registerCallbacks(
       [&PIC, this](StringRef PassID, Any IR) {
         SavedIR.clear();
         raw_string_ostream OS(SavedIR);
-        OS << formatv("*** Dump of {0}IR Before Last Pass {1}",
+        OS << formatv("; *** Dump of {0}IR Before Last Pass {1}",
                       llvm::forcePrintModuleIR() ? "Module " : "", PassID);
         if (!isInteresting(IR, PassID, PIC.getPassNameForClassName(PassID))) {
           OS << " Filtered Out ***\n";
diff --git a/llvm/test/Other/print-on-crash.ll b/llvm/test/Other/print-on-crash.ll
index 565da0c389c16..f1e3414fb6352 100644
--- a/llvm/test/Other/print-on-crash.ll
+++ b/llvm/test/Other/print-on-crash.ll
@@ -17,7 +17,7 @@
 
 ; RUN: not --crash opt -print-on-crash -print-module-scope -passes=trigger-crash-module -filter-passes=blah < %s 2>&1 | FileCheck %s --check-prefix=CHECK_FILTERED
 
-; CHECK_SIMPLE: *** Dump of IR Before Last Pass {{.*}} Started ***
+; CHECK_SIMPLE: ; *** Dump of IR Before Last Pass {{.*}} Started ***
 ; CHECK_SIMPLE: @main
 ; CHECK_SIMPLE: entry:
 ; CHECK_NO_CRASH-NOT: *** Dump of IR