commit 50cb05591dcf2169e0444652f376272150f85669
author David Majnemer <david.majnemer@gmail.com> Sun Jan 11 08:52:38 2015 +0000
committer David Majnemer <david.majnemer@gmail.com> Sun Jan 11 08:52:38 2015 +0000
tree d05d401af80a6da77e28385a2d8094e9ea4bbee7
parent 14141f941ab72c340915122bc777027806f7e1b2

Basic: The asm constraint '+#r' isn't valid, reject it

llvm-svn: 225600

clang/lib/Basic/TargetInfo.cpp

diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp
index aabb70d..3162b7c 100644
--- a/clang/lib/Basic/TargetInfo.cpp
+++ b/clang/lib/Basic/TargetInfo.cpp
@@ -486,9 +486,13 @@
       if (Name[1] == '=' || Name[1] == '+')
         Name++;
       break;
+    case '#': // Ignore as constraint.
+      while (Name[1] && Name[1] != ',')
+        Name++;
+      if (Name[1] != ',')
+        return false;
     case '?': // Disparage slightly code.
     case '!': // Disparage severely.
-    case '#': // Ignore as constraint.
     case '*': // Ignore for choosing register preferences.
       break;  // Pass them.
     }