From: Nico Weber <nicolasweber@gmx.de>
Date: Mon, 6 Apr 2015 04:16:48 +0000 (+0000)
Subject: Don't crash when passing a non-existent file to -fprofile-instr-use=.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1259fb859d727be32dafd6e5905c8f4e15874e5d;p=clang

Don't crash when passing a non-existent file to -fprofile-instr-use=.

Fixes a regression from r229434.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@234141 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 7fce6208d4..dd9d6305ca 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -147,8 +147,8 @@ CodeGenModule::CodeGenModule(ASTContext &C, const CodeGenOptions &CGO,
       unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error,
                                               "Could not read profile: %0");
       getDiags().Report(DiagID) << EC.message();
-    }
-    PGOReader = std::move(ReaderOrErr.get());
+    } else
+      PGOReader = std::move(ReaderOrErr.get());
   }
 
   // If coverage mapping generation is enabled, create the
diff --git a/test/Profile/profile-does-not-exist.c b/test/Profile/profile-does-not-exist.c
new file mode 100644
index 0000000000..98eba5343f
--- /dev/null
+++ b/test/Profile/profile-does-not-exist.c
@@ -0,0 +1,4 @@
+// RUN: not %clang_cc1 -emit-llvm %s -fprofile-instr-use=%t.nonexistent.profdata 2>&1 | FileCheck %s
+
+// CHECK: error: Could not read profile: No such file or directory
+// CHECK-NOT: Assertion failed