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re PR preprocessor/16192 (Bug in expression evaluation when operand is missing)

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* doc/cpp.texi: Don't document what we do for ill-formed expressions.
	* doc/cppopts.texi: Clarify processing of command-line defines.

libcpp:
	PR preprocessor/16192
	PR preprocessor/15913
	PR preprocessor/15572
	* expr.c (_cpp_parse_expr): Handle remaining cases where an
	expression is missing.
	* init.c (post_options): Traditional cpp doesn't do // comments.

testsuite:
	* gcc.dg/cpp/if-mop.c: Two new testcases.
	* gcc.dg/cpp/trad/comment-3.c: New.

From-SVN: r84080
This commit is contained in:
Neil Booth 2004-07-04 12:57:50 +00:00 • committed by Neil Booth
parent b25c17bcf0
commit a09d474429
9 changed files with 57 additions and 20 deletions
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2
libcpp/init.c
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@ -611,6 +611,8 @@ post_options (cpp_reader *pfile)
if (CPP_OPTION (pfile, traditional))
{
CPP_OPTION (pfile, cplusplus_comments) = 0;
/* Traditional CPP does not accurately track column information. */
CPP_OPTION (pfile, show_column) = 0;
CPP_OPTION (pfile, trigraphs) = 0;