[llvm-commits] [llvm] r83391 - /llvm/trunk/lib/Support/Triple.cpp

[Jeffrey Yasskin]

Author: jyasskin
Date: Tue Oct  6 12:25:50 2009
New Revision: 83391

URL: http://llvm.org/viewvc/llvm-project?rev=83391&view=rev
Log:
Fix PR5112, a miscompilation on gcc-4.0.3.  Patch by Collin Winter!

Modified:
    llvm/trunk/lib/Support/Triple.cpp

Modified: llvm/trunk/lib/Support/Triple.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Triple.cpp?rev=83391&r1=83390&r2=83391&view=diff

==============================================================================
--- llvm/trunk/lib/Support/Triple.cpp (original)
+++ llvm/trunk/lib/Support/Triple.cpp Tue Oct  6 12:25:50 2009
@@ -390,7 +390,10 @@
 }
 
 void Triple::setArchName(const StringRef &Str) {
-  setTriple(Str + "-" + getVendorName() + "-" + getOSAndEnvironmentName());
+  // Work around a miscompilation bug in gcc 4.0.3.
+  Twine a = getVendorName() + "-" + getOSAndEnvironmentName();
+  Twine b = Str + "-" + a;
+  setTriple(b);
 }
 
 void Triple::setVendorName(const StringRef &Str) {