Apparently, "=r,m" constraints are legal. This fixes pr7869. Permission to
check-in?
Index: lib/Basic/TargetInfo.cpp
===================================================================
--- lib/Basic/TargetInfo.cpp (revision 110706)
+++ lib/Basic/TargetInfo.cpp (working copy)
@@ -289,11 +289,9 @@
break;
case ',': // multiple alternative constraint. Pass it.
Name++;
- // An output constraint must start with '=' or '+'
- if (*Name != '=' && *Name != '+')
- return false;
- if (*Name == '+')
- Info.setIsReadWrite();
+ // Handle additional optional '=' or '+' modifiers.
+ if (*Name == '=' || *Name == '+')
+ Name++;
break;
case '?': // Disparage slightly code.
case '!': // Disparage severly.
--
John Thompson
[email protected]
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