Author: rsmith
Date: Tue Feb 14 17:41:38 2017
New Revision: 295122
URL: http://llvm.org/viewvc/llvm-project?rev=295122&view=rev
Log:
Stop asserting when a meaningless -std= flag is passed for a non-compilation
input kind; go back to silently ignoring the flag.
Added:
cfe/trunk/test/Driver/unknown-std.S
Modified:
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=295122&r1=295121&r2=295122&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Tue Feb 14 17:41:38 2017
@@ -1702,8 +1702,8 @@ static bool IsInputCompatibleWithStandar
return true;
break;
default:
- llvm_unreachable("Cannot decide whether language standard and "
- "input file kind are compatible!");
+ // For other inputs, accept (and ignore) all -std= values.
+ return true;
}
return false;
}
Added: cfe/trunk/test/Driver/unknown-std.S
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/unknown-std.S?rev=295122&view=auto
==============================================================================
--- cfe/trunk/test/Driver/unknown-std.S (added)
+++ cfe/trunk/test/Driver/unknown-std.S Tue Feb 14 17:41:38 2017
@@ -0,0 +1,2 @@
+// RUN: %clang -std=c++11 %s -E -o /dev/null 2>&1 | FileCheck %s --allow-empty
+// CHECK-NOT: error
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