From 52529158ea7d7b80ea578218c9a03d8ff6f3b0d1 Mon Sep 17 00:00:00 2001 From: Per Bothner Date: Mon, 22 Jan 1996 15:40:12 -0800 Subject: [PATCH] cppexp.c (cpp_parse_expr): Set HAVE_VALUE flag for unary minus, even if skip_evaluation is true. * cppexp.c (cpp_parse_expr): Set HAVE_VALUE flag for unary minus, even if skip_evaluation is true. From-SVN: r11085 --- gcc/cppexp.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/gcc/cppexp.c b/gcc/cppexp.c index b830f9b71ac..043098a43df 100644 --- a/gcc/cppexp.c +++ b/gcc/cppexp.c @@ -279,7 +279,7 @@ static struct token tokentab2[] = { struct operation cpp_lex (pfile) -cpp_reader *pfile; + cpp_reader *pfile; { register int c; register int namelen; @@ -793,11 +793,10 @@ cpp_parse_expr (pfile) } break; case '-': - if (skip_evaluation) ; /* do nothing */ - else if (!(top->flags & HAVE_VALUE)) + if (!(top->flags & HAVE_VALUE)) { /* Unary '-' */ top->value = - v2; - if ((top->value & v2) < 0 && ! unsigned2) + if (!skip_evaluation && (top->value & v2) < 0 && !unsigned2) integer_overflow (pfile); top->unsignedp = unsigned2; top->flags |= HAVE_VALUE; @@ -806,7 +805,7 @@ cpp_parse_expr (pfile) { /* Binary '-' */ top->value = v1 - v2; top->unsignedp = unsigned1 || unsigned2; - if (! top->unsignedp + if (! top->unsignedp && ! skip_evaluation && ! possible_sum_sign (top->value, v2, v1)) integer_overflow (pfile); } -- 2.30.2