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Commit 32e8aa9a authored by Joseph Myers's avatar Joseph Myers Committed by Joseph Myers
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re PR c/456 (constant expressions constraints (gcc.dg/c90-const-expr-1)) 

	PR c/456
	* cppexp.c (num_binary_op): Don't allow comma operators in #if
	constant expressions at all outside C99 mode if pedantic.

testsuite:
	* gcc.dg/cpp/c90-if-comma-1.c, gcc.dg/cpp/c99-if-comma-1.c:
	New tests.

From-SVN: r77676
parent 3b8e0c91
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