commit 377da4c6b78c0130fb6141313636c8fda7b60b72
author David Blaikie <dblaikie@gmail.com> Tue Aug 21 18:56:49 2012 +0000
committer David Blaikie <dblaikie@gmail.com> Tue Aug 21 18:56:49 2012 +0000
tree 4e698d641be7aaee1b8dfdd4f2146068cb8c0d02
parent 04a42791609ea958bcb13c84e97118f1a3007eb9

Use LLVM_BUILTIN_TRAP instead of lame volatile int traps.

(from a todo mentioned in r159469 & originally suggested by Chandler Carruth)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162302 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Lex/Pragma.cpp

diff --git a/lib/Lex/Pragma.cpp b/lib/Lex/Pragma.cpp
index c9cc4ad..b7f7d1d 100644
--- a/lib/Lex/Pragma.cpp
+++ b/lib/Lex/Pragma.cpp
@@ -1009,7 +1009,7 @@
     if (II->isStr("assert")) {
       llvm_unreachable("This is an assertion!");
     } else if (II->isStr("crash")) {
-      *(volatile int*) 0x11 = 0;
+      LLVM_BUILTIN_TRAP;
     } else if (II->isStr("parser_crash")) {
       Token Crasher;
       Crasher.setKind(tok::annot_pragma_parser_crash);

lib/Parse/ParseDecl.cpp

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 4129950..85d3f5a 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -4351,7 +4351,7 @@
     D.SetIdentifier(0, Tok.getLocation());
   } else {
     if (Tok.getKind() == tok::annot_pragma_parser_crash)
-      *(volatile int*) 0x11 = 0;
+      LLVM_BUILTIN_TRAP;
     if (D.getContext() == Declarator::MemberContext)
       Diag(Tok, diag::err_expected_member_name_or_semi)
         << D.getDeclSpec().getSourceRange();