Fixing +fround(x) in asm typer.

src/typing-asm.cc

Index: src/typing-asm.cc
diff --git a/src/typing-asm.cc b/src/typing-asm.cc
index ed5b02ef0f9aa8edb43531cd91e59bb7ee2ed150..12659f28b8f544c9f90167fc7129f08a781927df 100644
--- a/src/typing-asm.cc
+++ b/src/typing-asm.cc
@@ -1159,7 +1159,9 @@ void AsmTyper::VisitBinaryOperation(BinaryOperation* expr) {
       // BIT_OR allows Any since it is used as a type coercion.
       VisitIntegerBitwiseOperator(expr, Type::Any(), cache_.kAsmIntQ,
                                   cache_.kAsmSigned, true);
-      if (expr->left()->IsCall() && expr->op() == Token::BIT_OR) {
+      if (expr->left()->IsCall() && expr->op() == Token::BIT_OR &&
+          Type::Number()->Is(expr->left()->bounds().upper)) {
+        // Force the return types of foreign functions.
         expr->left()->set_bounds(Bounds(cache_.kAsmSigned));
       }
       return;
@@ -1253,7 +1255,9 @@ void AsmTyper::VisitBinaryOperation(BinaryOperation* expr) {
       } else if (expr->op() == Token::MUL && expr->right()->IsLiteral() &&
                  right_type->Is(cache_.kAsmDouble)) {
         // For unary +, expressed as x * 1.0
-        if (expr->left()->IsCall() && expr->op() == Token::MUL) {
+        if (expr->left()->IsCall() && expr->op() == Token::MUL &&
+            Type::Number()->Is(expr->left()->bounds().upper)) {
+          // Force the return types of foreign functions.
           expr->left()->set_bounds(Bounds(cache_.kAsmDouble));
         }
         IntersectResult(expr, cache_.kAsmDouble);