Unspecified type specs default to int. This fixes a crash

on test/Sema/implicit-int.c

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@39833 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Sema/SemaType.cpp b/Sema/SemaType.cpp
index cdb767f58c7933643a97f756dd8431c08ef53711..388359a7530130461027cc2d53cb04be32ab222f 100644 (file)
--- a/Sema/SemaType.cpp
+++ b/Sema/SemaType.cpp
@@ -37,6 +37,7 @@ static QualType ConvertDeclSpecToType(const DeclSpec &DS, ASTContext &Ctx) {
              "Unknown TSS value");
       return Ctx.UnsignedCharTy;
     }
+  case DeclSpec::TST_unspecified:  // Unspecific typespec defaults to int.
   case DeclSpec::TST_int:
     if (DS.getTypeSpecSign() != DeclSpec::TSS_unsigned) {
       switch (DS.getTypeSpecWidth()) {

diff --git a/test/Sema/implicit-int.c b/test/Sema/implicit-int.c
new file mode 100644 (file)
index 0000000..e4a215f
--- /dev/null
+++ b/test/Sema/implicit-int.c
@@ -0,0 +1,4 @@
+// RUN: clang -fsyntax-only %s
+
+foo() {
+}